Co2 diffuser deals(Disclaimer)
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š 165 CO2 Diffuser in price comparison
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š¶ Current offers and discounts
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š Last updated on 04.10.2026
15% discount
Clscea Aquarium Stainless Steel CO2 Diffuser Atomizer with Integrated Check Valve for Rimless Tanks, DC300-20
ć304 SUSćHigh quality 304 stainless steel, durable and rust free.
$ 16.99
$ 19.99
To the offer
Fzone Neo CO2 Diffuser with Customized Ceramic from South Korea(L-24mm)
The customized ceramic from South Korea used in Fzone co2 diffuser features microscopically small holes resulting in very fine and thorough bubble diffusion.The co2 diffuser provides a high level of CO2 Saturation in your aquarium. The fine mist of Co2 will easily break down into your water colum and absorbed by aquatic plants.
$ 17.90
free delivery
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Clscea CO2 Diffuser for Aquarium Plant Mini CO2 Atomizer, U-Shaped-S
ćFor small tanksćCute and mini, easy to hide in the tank.
$ 9.99
free delivery
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Fzone Neo CO2 Diffuser with Customized Ceramic from South Korea(S-13mm)
The customized ceramic from South Korea used in Fzone co2 diffuser features microscopically small holes resulting in very fine and thorough bubble diffusion.The co2 diffuser provides a high level of CO2 Saturation in your aquarium. The fine mist of Co2 will easily break down into your water colum and absorbed by aquatic plants.
$ 14.50
free delivery
To the offer
17% discount
Hygger CO2 Stainless Steel CO2 Difusser Atomizer Used for Aquarium Plantsļ¼Water Grass Tank,Fine and Uniform Bubbles, Durable and Not Easy to Rust (S(25cm))
ćHigh qualityćThis product is made of stainless steel, which is not easy to bend or deform, rust or corrode, or be damaged, making it more durable than a glass diffuser. In addition, the air inlet adopts a conical structure, which is convenient for connecting the air pipe.
$ 14.99
$ 17.99
To the offer
Clscea Acrylic CO2 Diffuser for Aquarium Planted Tank, Hooked version-20cm
ćHook-stylećFeatures a hook-style design that helps organize aquarium tubing.
$ 14.99
free delivery
To the offer
Fzone Neo CO2 Diffuser with Customized Ceramic from South Korea(M-17mm)
The customized ceramic from South Korea used in Fzone co2 diffuser features microscopically small holes resulting in very fine and thorough bubble diffusion.The co2 diffuser provides a high level of CO2 Saturation in your aquarium. The fine mist of Co2 will easily break down into your water colum and absorbed by aquatic plants.
$ 16.50
free delivery
To the offer
18% discount
Hygger CO2 Stainless Steel CO2 Difusser Atomizer Used for Aquarium Plantsļ¼Water Grass Tank,Fine and Uniform Bubbles, Durable and Not Easy to Rust (M(30cm))
ćHigh qualityćThis product is made of stainless steel, which is not easy to bend or deform, rust or corrode, or be damaged, making it more durable than a glass diffuser. In addition, the air inlet adopts a conical structure, which is convenient for connecting the air pipe.
$ 15.59
$ 18.99
To the offer
KFZDCG Co2 Diffuser Aquarium, Acrylic CO2 Diffuser for Aquarium Plant Low Pressure Bubbler, Making Nano Bubble for Fish Tanks and Hydroponics
ćSilent generation of small bubblesć This aquarium CO2 diffuser produces small and dense CO2 bubbles, just like the atomization effect, which greatly improves the dissolution rate of CO2 in the water, which not only helps the growth of aquatic plants, but also can bring a fascinating landscape.
$ 9.99
free delivery
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12% discount
Clscea Acrylic CO2 Diffuser with Integrated Bubble Counter for Aquarium Plants (L)
Made of transparent acrylic, like glass but more durable than glass material, not fragile.
$ 14.99
$ 16.99
To the offer
JARDLI Music Glass CO2 Diffuser for Aquarium Plant (2'' for Tank Beyond 75 gallons)
Visually very appealing.
$ 29.99
free delivery
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Pawfly CO2 Diffuser for Aquarium Plants, Clear Acrylic CO2 Atomizer Aquarium CO2 Diffuser with Ceramic Disc Bubble Counter and Suction Cup
Compact but Efficient: Designed for planted tanks 11 to 47 inches long, this CO2 diffuser requires a generator with a minimum working pressure of 14 PSI. (NOTE: Soak it for 24 hours before first use; large bubbles will become fine within 2-7 days.)
$ 9.99
free delivery
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Clscea Aquarium Stainless Steel CO2 Diffuser Atomizer with Integrated Check Valve, DC300-25
ćUpgrade ceramic discćFundamentally solved the problem of crack. This material is more resistant to drops, cold and hot. More stable performance, No crack! Innovative injection-molded ceramic plate, excellent sealing, extremely fine and dense mist, offering higher CO2 dissolution rates. Ceramic disc can be cleaned or replaced are replaceable! (Asin: B08YY7NFX8). Please do not use alcohol to clean the disc, beacuse alcohol will cause damage to acrylics.
$ 21.99
free delivery
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Pawfly Aquarium CO2 Diffuser, Aquarium Stainless Steel CO2 Diffuser with Built-in Check Valve and Suction Cups for Aquarium Plants, Fish Tank Atomizer with Improved Ceramic Disc
Heavy-Duty Stainless Steel: Made of strong 304 stainless steel, the fish tank atomizer is highly resistant to bending, breakage and corrosion. With a length of 9.8 inches, itās suitable for aquariums with a minimum height of 13.8 inches
$ 16.99
free delivery
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FZONE Acrylic Aquarium COā Diffuser Built-in Check Valve(S-19mm)
FZONE Ultra-Fine CO2 Bubbles:The FZONE plant diffuser features a micro-pore ceramic disc that produces fine, evenly dispersed CO2 bubbles that spread smoothly throughout the aquarium. This helps improve CO2 distribution in the water, allowing plants to absorb CO2 more effectively in setups using CO2 for aquarium systems.
$ 11.99
free delivery
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Yagote Glass CO2 Reactor, 3 Spiro Glass Diffuser for Aquarium Plants, Suitable for Tanks 15-200 Gal/60-757 Liter
FUNCTION: This CO2 diffuser can create rich CO2 to provide aquarium plants with the carbon dioxide they need and ensure the nutrition and health of hydrophytes. The CO2 diffuser will supply aquarium plants a friendly living environment. Although this co2 diffuser is made of high quality glass materials, fragile and damage canāt be avoided because of the long distance logistics transportation. Please just contact us for a new replacement or refund when you receive any defective co2 diffusers.
$ 9.99
free delivery
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18% discount
Semme Co2 Diffuser for Large Aquarium,Aquarium CO2 Diffuse Atomizer, Dioxide Dissolve System for Fish Easy Carbon Dioxide Diffuser CO2 Atomizer for Super Fish Aquarium Equipment(Brown
APPLOICATION: For aquarium fish plant carbon dioxide dissolve system. Super micro hole atomization, U type air inlet bubble, invisible check valve.
$ 17.07
$ 20.94
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Fzone 2.5 L Aquarium CO2 Generator System Carbon Dioxide Reactor Kit with Regulator and Needle Valve for Aquarium Plants Tanks
Thicker and last longer! Fzone's DIY CO2 bottles last longer and are thicker than average! With a strong interior wall that can hold more raw materials, our bottles are made of 1.5mm thick SUS304 graded stainless steel, 25% thicker than competitors. The Fzone co2 kit aquarium can withstand a max 80kg/cm2 pressure and generates CO2 gas for 1 month at 1bps for 8 hours a day when filled with 300-400g raw materials. Get a longer-lasting and more efficient CO2 solution with Fzone!
$ 95.99
free delivery
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JARDLI Pollen Glass CO2 Diffuser with U-Shape Connecting Tube for Aquarium Planted Tank (2" for 50-80 US gallons)
Efficient CO2 atomisation through ceramic membrane.
$ 24.99
free delivery
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Aquarium Inline Co2 Atomizer Diffuser for Planted Aquarium
12/13mm ( Please check your tubing size before order)
$ 26.00
free delivery
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TWINSTAR CO2 Diffuser | Freshwater Aquariums up to 120 gallons | Ultra Clear Acrylic - Made in South Korea | Extremely Fine Pearls | More Porous Membrane (M-19mm)
TWINSTAR
$ 12.99
free delivery
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Clscea Aquarium Glass CO2 Diffuser Atomizer with U Tube Check Valve Suction Cup Premium Version
ćMIni Glass CO2 diffuserćIdeal for small tanks. Suitable for pressurized CO2 supplying systems. High-quality glass material ensures transparency and durability.
$ 11.99
free delivery
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FZONE Acrylic Aquarium COā Diffuser Built-in Check Valve(L-33mm)
FZONE Ultra-Fine CO2 Bubbles:The FZONE plant diffuser features a micro-pore ceramic disc that produces fine, evenly dispersed CO2 bubbles that spread smoothly throughout the aquarium. This helps improve CO2 distribution in the water, allowing plants to absorb CO2 more effectively in setups using CO2 for aquarium systems.
$ 14.99
free delivery
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TWINSTAR CO2 Diffuser | Freshwater Aquariums up to 120 gallons | Ultra Clear Acrylic - Made in South Korea | Extremely Fine Pearls | More Porous Membrane (S-15mm)
Produces the finest Co2 bubbles in the market, allowing for the best co2 diffusion
$ 11.99
free delivery
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Fluval Ceramic CO2 Diffuser for Planted Aquariums, A7548
Performance driven at affordable prices
$ 9.99
free delivery
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Clscea Aquarium Stainless Steel CO2 Diffuser Atomizer, DC300-40
Upgrade ceramic disc!Fundamentally solved the problem of crack. This material is more resistant to drops, cold and hot. More stable performance, No crack!
$ 24.99
free delivery
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TWINSTAR CO2 Diffuser | Freshwater Aquariums up to 120 gallons | Ultra Clear Acrylic - Made in South Korea | Extremely Fine Pearls | More Porous Membrane (L-24mm)
TWINSTAR
$ 13.99
free delivery
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24% discount
Upgraded 2L/5L Aquarium CO2 Generator System with Timer-Enabled Motor Valve, Upgrade CO2 System Kit with Quick-Release Structure for Aquarium Plants Tanks (2L)
For first-time use, after setting the automatic mode, if the system is running, please switch to manual mode to turn it off first, then turn it back on. After turning it on, switch back to automatic mode to activate the built-in program and ensure proper operation. Just follow the above steps to set it up once, and you can use it normally afterwards. We are currently optimizing and adapting the timerās built-in program for future direct use.Thanks for your understand and support!
$ 83.99
$ 109.99
To the offer
Hygger CO2 Stainless Steel CO2 Difusser Atomizer Used for Aquarium Plantsļ¼Water Grass Tank,Fine and Uniform Bubbles, Durable and Not Easy to Rust (XL(40cm))
Hygger CO2
$ 22.99
free delivery
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FZONE Aquatic CO2 Glass Drop Checker PH Momitor for Aquarium Plant Fish Tank Test CO2 Kit
Superior glass CO2 Drop Checker with the most accurate and reliable 4dKH solution in the market
$ 12.99
free delivery
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Clscea Acrylic CO2 Diffuser for Aquarium Planted Tank, Hooked version-30cm
Clscea
$ 16.99
free delivery
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Pawfly 16 ft. Aquarium CO2 Proof Tubing with CO2 Diffuser, Standard 3/16" Airline Tubing for Aquarium CO2 System, Clear Kink-Resistant Air Tubing with Suction Cups and Connectors
High Pressure Resistance: The aquarium CO2-proof tubing reliably withstands high pressure up to 98.4 psi (7 kg/cm2). It never leaks or bursts during operation, ensuring stable CO2 levels to transform any tank into a lush underwater garden
$ 15.99
free delivery
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DONGKER Aquarium CO2 Diffuser,Acrylic Fish Tank CO2 Atomizer with Suction Cups for 4mm I.D. CO2 Air Tube(Up to 30cm Fish Tank)
High-transparency acrylic material, beautiful, crystal clear,small and exquisite,does not take up space in the fish tank
$ 17.99
free delivery
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FZONE Desktop Aquarium CO2 System,45g CO2 Cartridge,5/8" & 3/8" Compatible
Compact and Portable CO2 System: For small or desktop aquariums, standard large CO2 tanks can be bulky and impractical. This portable mini CO2 regulator is just 9.84 inches tall and 1.96 inches wide, making it a perfect fit for small spaces. Its slim design is easy to hold with one hand, offering both convenience and ease of use.
$ 47.99
free delivery
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2L Aquarium CO2 Generator System, CO2 System Kit with Regulator and Needle Valve for Aquarium Plants Tanks
Professional Factory -- Our 2L CO2 bottles are constructed from premium 1.2mm SUS304 stainless steel - 20% thicker than standard tanks. Far superior to plastic bottle generators, they're more durable, stable, safe, and high-pressure resistant.
$ 77.89
free delivery
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Aquario Neo CO2 Aquarium Diffuser - CO2 Diffuser Aquarium Kit, CO2 Diffuser for Aquarium Plants, CO2 System for Aquarium - Curved Original Diffuser, Large
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 22.99
free delivery
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6% discount
CO2 Diffuser for Aquarium, ABS Carbon Dioxide Reactor with Secure Lock System, Reverse Osmosis Diffusion for Planted Tank and Aquatic Environments (S-Brown)
ABS Material Construction: This carbon dioxide diffuser is made from ABS material, creating a reliable and stable component for continuous operation in aquarium environments and planted tank setups.
$ 17.02
$ 18.05
To the offer
Clscea Aquarium SUS 304 Stainless Steel CO2 Diffuser, DC300-35
Upgrade ceramic disc!Fundamentally solved the problem of crack. This material is more resistant to drops, cold and hot. More stable performance, No crack!
$ 23.99
free delivery
To the offer
FZONE Aquarium Inline CO2 Diffuser, Fits 3/4" ID Tubing
FZONE
$ 28.99
free delivery
To the offer
UNS Pro Inline CO2 Diffuser - Aluminum, High Gas Dissolution Diffuser for Freshwater Planted Aquarium - Aquascaping Tank External Canister Filter Accessory for 1/2in or 12ID Tubing - Space Gray, 12mm
Ultum Nature Systems
$ 40.99
free delivery
To the offer
8% discount
Clscea External Inline CO2 Diffuser Atomizer Aluminum Alloy for Planted Aquarium 12 mm
ćInline Design ć 100% Open Flow Design. There is no limit to the filter flow. Installed outside the tank, does not occupy the space in the tank, simple and neat.
$ 22.99
$ 24.99
To the offer
LINLAN 11.84in 304 Stainless Steel COā Diffuser, Frosted Matte Material(One-Piece Molding), Equipped with Silicone Suction Cup + Replacement Diffusion Disc, Suitable for Rimless Planted Aquariums
304 Stainless Steel: Crafted from premium 304 stainless steel ā shock-resistant, non-deformable and durable. This material releases no harmful substances, making it safe for fish, shrimp and more. The matte finish and minimalist design simplify cleaning and maintenance.
$ 16.99
free delivery
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Aquario Neo CO2 Aquarium Diffuser - CO2 Diffuser Aquarium Kit, CO2 Diffuser for Aquarium Plants, CO2 System for Aquarium - Normal Original Diffuser, Large
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 16.99
free delivery
To the offer
boxtech Aquarium Nano Air Stone,Fish Tank Bubble Diffuser
High Dissolved Oxygen---Aquarium Nano Air Stone releases smaller, denser and more uniform bubbles, increasing the flow and circulation of air, doubling the dissolved oxygen rate in the water and providing good health benefits to aquatic organisms
$ 12.99
free delivery
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Aquarium CO2 Diffuser Atomizer, Efficient Safe Bottom Installation Plant Growth Enhancer for Fish Tank ABS L Brown Large 1 Piece
PREMIUM QUALITY - The CO2 Atomizer is made of material, which is safe and sturdy, energy-saving, durable and with long srevice life
$ 17.68
free delivery
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JARDLI Glass Inline CO2 Atomizer Diffuser System for Aquarium Planted Tank (17mm for 16/22mm (5/8" i.d.) Hose)
Enhance CO2 dissolution via turbulent mixing, increasing the saturation of CO2 in the aquarium ecosystem
$ 39.99
free delivery
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FZONE 45g Disposable CO2 Cartridges with 5/8'' Threaded Interfaces (2-Pack)
FZONE 45g Disposable CO2 Cartridges with 5/8 Threaded Interfaces (2-Pack)
$ 19.99
free delivery
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COā Level Indicator Reagent for Aquarium Fish Tank Test Kits Glass Aquarium Water C02 Drop Checker Container DIY CO2 Reactor Bottle caps Kits and so on
Product includes:1pcs CO2 Level Indicator Reagent,1pcs glass aquarium water C02 drop checker container,2pcs DIY CO2 reactor bottle caps, 1pcs CO2 bubble diffuser stone , 1 U-shaped glass tube, 1 black check valve, 1 large black clamp,2 meter long soft tube
$ 14.99
free delivery
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Chiffonade Black Plastic Carbon Dioxide Diffuser Ceramic CO2 Atomizer Dissolve System with Nut Lock for Aquarium(S)
Enhanced CO2 Dissolution: Our ceramic diffusion technology maximizes carbon dioxide absorption for optimal aquatic plant growth and tank health
$ 12.99
free delivery
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TWINSTAR CO2 Diffuser (Large)
Microspore ceramic stone produces ultra fine bubbles.
$ 16.49
free delivery
To the offer
Chiffonade Aquarium CO2 Diffuser Fine Bubble Atomizer with Reverse Osmosis Technology Leak-Proof Design for Fish Tank Photosynthesis(Brown-S)
High Efficiency CO2 Diffusion: Advanced reverse osmosis technology creates ultra-fine bubbles to maximize CO2 dissolution rate and reduce gas consumption for optimal aquarium plant growth
$ 14.99
free delivery
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FZONE Mini Aquarium COā Regulator Kit for CGA320 Side Open CO2 Cylinder
Compact Aesthetic Design:This CO2 regulator aquarium integrates the solenoid and bubble counter into one sleek unit. Its small footprint keeps your aquarium setup clean and minimal ā perfect for small and mid-size planted tanks.Compatible with nearly all CO2 regulator types.
$ 47.99
free delivery
To the offer
Vizni CO2 Diffuser, Carbon Dioxide Reactor with Secure Lock System, CO2 Diffuser Reverse Osmosis Diffusion for Aquarium Fish Tank Equipment
SECURE LOCK DESIGN: With the secure lock system design, this CO2 diffuser aquarium can effectively lock the CO2 tube and water tube to prevent loosening, preventing any disconnection during use for reliable aquarium maintenance
$ 15.89
free delivery
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IAFVKAI CO2 Diffuser Aquarium Glass Spiral CO2 Atomizer Diffuser Bubble Counter Check with Suction Cup for Aquarium Planted Fish Tank Supply Accessories
Notice:Can only be used for carbon dioxide and need to soak for more than 48 hours for the first use, which prevents the product from rupturing due to sudden inflation.It is recommended that the head of the tube be softened with boiling water before intubation
$ 12.99
free delivery
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LINLAN Aquarium Inline CO2 Diffuser ā Side Disc with Built-in Check Valve, Essential for High Flow Systems, Fits 5/8" (16mm ID Filter Hose
ćEssential for High Flow SystemsćFeatures a side-mounted ceramic disc with a large internal chamber. Relies on direct water flow impact to strip and atomize CO2 ā simple, reliable, and ideal for high-power, high-flow filter systems.
$ 18.99
free delivery
To the offer
Fluval CO2 Diffuser for Planted Aquariums, A7542
Clear acrylic diffuser for accurate viewing of CO2 storage and distribution
$ 9.99
free delivery
To the offer
UPETTOOLS 1.4inch Nano Aquarium Air Stone Kit, Quiet Bubble Diffuser
ćProduces Small Dense Bubbles Quietlyć This aquarium air stone is designed to produce a dense cloud of small bubbles quietly, minimizing noise when the bubbles burst into the water. It creates a stunning curtain effect in your fish tank, filling it with thin, dazzling bubbles that enhance the visual appeal of your aquatic environment. Perfect for those looking for a quiet yet effective air diffuser
$ 11.99
free delivery
To the offer
29% discount
API Co2 Booster Freshwater Aquarium Plant Treatment 8 Fl oz Bottle
Contains one (1) API CO2 BOOSTER Freshwater Aquarium Plant Treatment 8 fl Ounce Bottle
$ 10.58
$ 14.88
To the offer
Gulfstream Tropical AGU00512 Ista Co2 Diffuser Set for Aquarium
Ista co2 diffuser set
$ 18.99
free delivery
To the offer
35% discount
Ultum Nature Systems CO2 Drop Checker - Glass CO2 Drop Checker for Aquarium, CO2 Aquarium Kit with Solution, CO2 Monitor Complete Set for Planted Aquariums - Drop Checker Hang on Edge Mount (HD)
[Precision Monitoring] Ultum Nature Systems CO2 drop checker easily tracks carbon dioxide levels in your aquarium water, providing a visual guide for monitoring your CO2 dosing.
$ 18.79
$ 28.99
To the offer
Clscea Stainless Steel CO2 Diffuser Ceramic Replacement, Universal for 20cm Diffuser, S 2pcs
2 PCS Clscea Aquarium Stainless Steel CO2 Diffuser disc replacement.
$ 12.99
free delivery
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Terizger CO2 Diffuser,Carbon Dioxide Atomiser Bubble Counter Aquarium Inline CO2 Atomizer for Planted Aquarium,Aquarium Diffuser(16/22 mm)
Suitable for water pipes of 16/22 mm model.
$ 24.99
free delivery
To the offer
FZONE Aquarium Inline CO2 Diffuser Ceramic Coreļ¼Universal Fit for S/M/L Sizes 2-Pack
Universal Fit ā Compatible with all FZONE inline CO2 diffusers: Small, Medium, and Large.
$ 9.90
free delivery
To the offer
LINLAN Aquarium Inline CO2 Diffuser - Center Disc with Viewing Window, High Dissolution Rate, Essential for Low/Medium Flow Systems, Fits 5/8" (16mm ID Filter Hose
ćEssential for Low/Medium Flow SystemsćEngineered to optimize common filter flow rates. Produces ultra-fine misting and efficient CO2 dissolution without requiring high flow speeds.
$ 24.99
free delivery
To the offer
Chiffonade Stainless Steel CO2 Diffuser High Dissolution Rate with Leak-Proof Design Fish Tank Aquarium Atomizer(250mm)
Construction: Crafted from high-grade stainless steel for superior durability ensuring long-lasting performance in freshwater and saltwater aquariums
$ 14.69
free delivery
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TOPINCN CO2 Diffuser Bubble Counter Stainless Steel Atomizer, Efficient Micro Bubble Reactor for Aquarium Plants Fish Tank Stainless Steel 20cm U Shape Connecting Tube 1 Pack
ćSimple DesignćThe minimalist design of this product ensures that it not only focuses on safety performance but also enhances the aesthetic appeal of your aquarium. The unique U-shaped hanger diffuser adds a touch of elegance, seamlessly blending functionality with beauty. This design allows the diffuser to integrate harmoniously into various aquarium styles, ensuring that it complements the aquatic ecosystem rather than detracting from it.
$ 17.07
free delivery
To the offer
Aquario Neo Co2 Diffuser Original (Small)
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 19.99
free delivery
To the offer
18% discount
Hygger CO2 Stainless Steel CO2 Difusser Atomizer Used for Aquarium Plantsļ¼Water Grass Tank,Fine and Uniform Bubbles, Durable and Not Easy to Rust (L(35cm))
ćHigh qualityćThis product is made of stainless steel, which is not easy to bend or deform, rust or corrode, or be damaged, making it more durable than a glass diffuser. In addition, the air inlet adopts a conical structure, which is convenient for connecting the air pipe.
$ 17.19
$ 20.99
To the offer
MY MIRONEY CO2 Difusser Atomizer for Aquarium Plants
Package Includes: 1 x CO2 Diffuser(with a U-tube); 2 x Replacement Diffusing Disc; 3 x Suction Cup
$ 16.49
free delivery
To the offer
14% discount
Complete Aquarium CO2 System, Desktop CO2 Regulator with 45g Disposable CO2 Cartridge, Compatible with 5/8" and 3/8" Threaded for Nano Aquariums
Portable CO2 System:This compact mini CO2 regulator measures just 9.8 x 2 inches, ensuring seamless integration into tight spaces. Its slim, lightweight design allows effortless one-handed operation, combining portability with user-friendly convenience.
$ 49.99
$ 57.89
To the offer
Clscea CO2 Generator Complete kit with 600g +600g raw Materials,4L G802S
ć4L large capacityćOnce fill, longer use, suitable for medium or large plant tank.
$ 149.99
free delivery
To the offer
5% discount
Green L CO2 Diffuser - Aquarium CO2 Atomizer, Easy Carbon Dioxide Dissolve System for Fish
APPLOICATION: Co2 Aquarium Diffuser For aquarium fish plant carbon dioxide dissolve system. Super micro hole atomization, U type air inlet bubble, invisible check valve.
$ 17.72
$ 18.65
To the offer
AAwipes 8-in-1 Aquarium Test Kit for Fish Tanks - Quick & Accurate Water Testing Strips for Aquariums & Ponds. Tests pH, Ammonia, Alkalinity, Hardness, Chlorine, etc. (K02-50)
Professional Quality Testing Kit: The AAwipes Aquarium test kit (50 strips) is developed by experts for fish enthusiasts. It offers 8-in-1 testing capabilities, made with high-quality fiber paper and non-bleeding colors. The kit measures key parameters like Free Chlorine, Nitrate, Nitrite, Hardness, Carbonate, Total Alkalinity, pH and Ammonia nitrogen. By identifying potential issues, our fish tank testing kit helps prevent hidden water problems and ensures the safety and well-being of your fish.
$ 9.96
free delivery
To the offer
Clscea Aquarium CO2 Generator Double Runtime with Solenoid Valve 4L, G700S
ćSmall Body, Big PowerćThickened cylinder, bottle body is made of thickened SUS304 stainless steel, gas storage capacity equals 4L cylinder! (The package does not contain raw materials. Please search for the ASIN: B0CFF35GM8 in our store to purchase them.)
$ 89.99
free delivery
To the offer
Enkreefi 2L Aquarium CO2 Generator System with Solenoid Valve & Bubble Counter ā Complete Carbon Dioxide Reactor Kit for Planted Tanks
Excellent Sealing Performance: Strong sealing to prevent gas leakage (hazardous) and clogging, ensuring smooth and stable operation
$ 75.99
free delivery
To the offer
ZRDR 2L Aquarium Co2 System with Pressure Gauge for Aquarium Plants
Professional Factory: We are a manufacturer specializing in aquarium co2 systems. Our co2 generator for aquarium plants is made of 304 stainless steel, far better than a simple plastic bottle generator, more durable, stable, safe, and high pressure resistant
$ 69.99
free delivery
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NIEUW IO-diffusor - serie acryl - in de tank CO2 Diffuser
Aesthetic appeal: Stylish and visually pleasing
$ 22.99
free delivery
To the offer
13% discount
Clscea Acrylic CO2 Diffuser with Integrated Bubble Counter for Aquarium Plants (S)
Made of acylic, transparent like glass, not fragile, more durable than glass material. Note: Please do not clean the diffuser use alcohol, because the alcohol will cause damage to acrylic.
$ 12.99
$ 14.99
To the offer
10% discount
hygger Aquarium Air Stone, Bubble Stone Fish Tank Oxygen Ultra Silent Deep Dissolving Oxygen Diffuser Kit for Aquarium Fish Tank and Hydroponic
Fine bubble: Oxygen stone refines the air output from the air pump into a particle bubble, which is smaller and denser, like the atomization effect, and the bubble size can be adjusted, and the different oxygenation amount can satisfy different use requirements
$ 22.49
$ 24.99
To the offer
FZONE 5.5L Upgraded Aquarium COā Generator kit for Aquarium Plants Tanks
High-Efficiency CO2 Supply System: FZONE CO2 generator system uses a citric acid and sodium bicarbonate reaction to produce high-purity CO2, delivering stable pressure and flow through a CO2 regulator, bubble counter, and CO2 diffuser. Unlike traditional cylinder systems, it requires no refilling at CO2 stations, making it more convenient.
$ 125.90
free delivery
To the offer
Fluval Pressurized 1.6oz CO2 Kit, 17554
Helpful tool to grow lush and vibrant aquarium plants
$ 99.99
free delivery
To the offer
QANVEE Inline CO2 Atomizer Diffuser Aquarium Planted Tanks Aquascape (M1 (12/16MM))
- The Qanvee CO2 Atomizer is an inline aquarium CO2 diffuser that is designed to be installed outside of the planted tank rather than being placed inside the aquarium. It will keep your aquarium much cleaner and free of additional equipment visible inside the planted tank.
$ 32.99
free delivery
To the offer
8% discount
Clscea DIY CO2 kit for Aquarium with CO2 Diffuser & Needle Valve, G211
ćPresented Diffuserć4 in 1 CO2 diffuser has bubble counting function and built-in check valve.
$ 22.99
$ 24.99
To the offer
DONGKER Aquarium CO2 Diffuser,Acrylic Hanging CO2 Atomizer with Suction Cups & Bubbler Counting Function for 4mm/0.16" I.D. CO2 Tube
Note: Acrylic CO2 Atomizer needs to be selected according to the size and height of the aquarium, it is suitable for large and medium-sized aquariums, and the CO2 Atomizer needs to be connected to the CO2 system.
$ 15.99
free delivery
To the offer
13% discount
Clscea Aquarium CO2 Proof Tubing Flexible Kink-Resistant PU Tube 3/16" (16.4ft), Clear
ćComplete Kit Set ćāThe full kit includes a storage box, a 16-inch CO2 tube, a tube cutter, a check valve, 5 suction cups, a quick-connect straight connector, a transparent straight connector, and a Y-shaped connector. It comes with all necessary accessories and makes organizing small parts convenient.
$ 13.99
$ 15.99
To the offer
FZONE 2.5L Upgraded Aquarium COā Generator kit for Aquarium Plants Tanks
High-Efficiency CO2 Supply System: FZONE CO2 generator system uses a citric acid and sodium bicarbonate reaction to produce high-purity CO2, delivering stable pressure and flow through a CO2 regulator, bubble counter, and CO2 diffuser. Unlike traditional cylinder systems,it requires no refilling at CO2 stations, making it more convenient
$ 89.90
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JARDLI Glass Inline CO2 Atomizer Diffuser System for Aquarium Planted Tank (13mm for 12/16mm (1/2" i.d.) Hose)
Enhance CO2 dissolution via turbulent mixing, increasing the saturation of CO2 in the aquarium ecosystem
$ 38.90
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FZONE Pro Series Aquarium Dual Stage CO2 Regulator Adjustable Output Pressure with DC Solenoid and Integrated High Precision Needle Valve and Bubble Counter
Dual stage construction & adjustable output pressure. Dual stage construction provides stable output pressure regardless of how much CO2 gas remains inside the CO2 cylinder, eliminating unpredictable catastrophes such as an end-of-tank-dump (EoTD). The output pressure is adjustable from 0-65 PSI based on customersā different needs.
$ 135.99
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Aquario Neo CO2 Aquarium Diffuser - CO2 Diffuser Aquarium Kit, Fine Mist Oxygen for Fish Tank, CO2 Diffuser for Aquarium Plants, CO2 System for Aquarium -Normal Special Diffuser, Large
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 18.00
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11% discount
Clscea External Inline CO2 Diffuser Atomizer with Bubble Counter Aluminum Alloy for Planted Aquarium Canister Filter (DC400-L-16)
ćInline Design ć 100% Open Flow Design. There is no limit to the filter flow. Installed outside the tank, does not occupy the space in the tank, simple and neat.
$ 24.99
$ 27.99
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UNS Pro Inline CO2 Diffuser - Aluminum, High Gas Dissolution Diffuser for Freshwater Aquarium - Aquascaping Tank Ext. Canister Filter Accessory for 25/32in, 13/16in or 20ID Tubing - Space Gray, 20mm
Keep Your Aquascape Clean ā Installs outside the aquarium on your filterās return line, removing the need for bulky in-tank diffusers
$ 54.99
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Zerodis Aquarium CO2 Atomizer, External Inline CO2 Reactor Diffuser for Planted Tank, High Efficiency Ceramic CO2 Diffuser for Fish Tank CO2 System, Aquascaping Accessories 12/16mm
ćć The use of reserve penetration technology to diffuse CO2 can increase the dissolution effect and save the use of CO2, which is more environmentally friendly.
$ 24.39
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Aquario Neo CO2 - DIY CO2 Kit (Kit) for Freshwater Aquariums, Terrariums, Paludariums - Slow Release CO2 Kit for Aquatic Plants
It is HIGHLY recommended to wait the full 24 hours as instructed. Skipping this step will cause issues.
$ 39.99
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Aquario Neo Mixer - Inline Co2 Diffuser for Planted Aquarium (L-17MM)
VAYINATO
$ 29.99
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FZONE Aquarium Inline CO2 Diffuser, Fits 5/8" ID tubing
70% High-Efficiency CO2 Diffusion:The inline CO2 diffuser effectively dissolves CO2 into the water flow, creating fine mist bubbles that maximize dissolution and enhance plant absorption. With up to 70% efficiency, it delivers cost savings and is perfectly suited for long-term use in planted aquariums.
$ 26.99
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Clscea Aquarium Stainless Steel CO2 Diffuser Widen Hook, DCW300-40
ćWiden HookćTo meet the needs of customers, the inner width of the hook has been widened to 3.9cm (1.54inch). The tank that with rim can also be adapted. Fits 4/6mm (3/16" Inner Diameter) CO2 tubing.
$ 26.99
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MiOYOOW Aquarium CO2 Diffuser, Acrylic CO2 Atomizer with Bubble Counter/Check Valve for Fish Tank Aquarium Plants
High-Quality Material: Made of high-transparency acrylic cup body + nano-ceramic thinning sheet, the performance is stable and reliable, reliable, can be reused after cleaning, and has a long service life.
$ 18.39
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CO2 Atomizer for Planted Aquariums, Atomic Inline CO2 Diffuser with Bubble Counter, Reverse Osmosis Technology for Efficient Carbon Dioxide Dissolution
Constructed from Premium Materials: This product is made from high-grade materials that are and safe for both aquatic life and the environment. Its energy-efficient design contributes to sustainability, ensuring that your aquarium operates without harming the ecosystem.
$ 27.29
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DONGKER CO2 Diffuser,Acrylic Nano CO2 Reactor Diffuser with Suction Cup for Aquarium Planted Fish Tank
Function: CO2 Diffuses Tiny Bubbles Into the Water Through the Atomisation of the Diffuser, Improves the Growing Environment of Aquatic Plants in the Fish Tank, Promotes Photosynthesis of Aquatic Plants and Facilitates the Healthy Growth of Aquatic Plants in the Fish Tank, Comes With A Bubbler.
$ 14.99
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Clscea Aquarium DIY CO2 Generator System Kit, G200
The DIY CO2 Kit provides an excellent method of deploying the citric acid / baking soda solution to generate CO2 for plants' growing in the aquarium. Easy to operate and designed for low cost planted tank use.
$ 19.99
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MiOYOOW Aquarium CO2 Diffuser, 304 Stainless Steel CO2 Atomizer with Suction Cup & Check Valve for Planted Fish Tank Aquarium
Strong Performance: Through the diffuser will diffuse CO2 gas into the water, improve the growing environment of the fish tank, enhance the photosynthesis of aquatic plants in the fish tank, which is conducive to the growth of aquatic plants.
$ 16.39
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Co2 Diffuser, Aquarium Glass Co2 Diffuser Atomizer Stainless Steel Carbon Dioxide Diffuser Fish Tank Supplies Aquarium Equipment(Mļ¼250mm))
Material: Co2 Diffuser Aquarium made of high-grade material.
$ 13.89
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DONGKER CO2 Diffuser,Acrylic Nano CO2 Reactor Diffuser with Suction Cup for Aquarium Planted Fish Tank
Function: CO2 Diffuses Tiny Bubbles Into the Water Through the Atomisation of the Diffuser, Improves the Growing Environment of Aquatic Plants in the Fish Tank, Promotes Photosynthesis of Aquatic Plants and Facilitates the Healthy Growth of Aquatic Plants in the Fish Tank, Comes With A Bubbler.
$ 14.99
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Terizger CO2 Diffuserļ¼Carbon Dioxide Atomiser Bubble Counter Aquarium Inline Co2 Atomizer for Planted Aquarium,Aquarium Diffuser (12/16 mm)
Suitable for water pipes of 12/16 mm model.
$ 24.99
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FZONE Aquarium Co2 Regulator DC Solenoid with Bubble Counter and Check Valve Plant Grow DIY CO2 System CGA320 Side Open Cylinder
UPDATED SPLIT-TYPE DC SOLENOID! Newest 12 DC split-type solenoid instead AC models, more safe and stable.
$ 54.99
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LINLAN Modular Easy-Water-Refill CO2 Bubble Counter, Hose Connection
ćEasy Water Refill FunctionćAre you always annoyed by the lack of water in the bubble counter, but it is always very difficult to remove the bubble counter? With the LINLAN water-fillable bubble counter, you can directly add water from the small hole without disassembly, simplifying the operation.
$ 9.99
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CO2 Diffuser Aquarium Stainless Steel Atomizer, High Efficiency Nano Bubble CO2 Dispersion for Planted Tank Fish Tank in Tank Setup 250mm Stainless Steel 1 Pack
Energy-saving: Co2 diffusers are made with stainless steel materials that are energy-saving. They do not require much power to function, which means you can save money on your electricity bill.
$ 14.94
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Clscea CO2 Diffuser for Aquarium Plant Mini CO2 Atomizer, U-Shaped-M
ćFor small tanksćCute and mini, easy to hide in the tank.
$ 12.99
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Aquario Neo Mixer - CO2 Diffuser for Neo Flow Lily Pipes, Efficient CO2 Dissolution, Easy Maintenance and Installation - Medium, 13mm 12/16mm
Efficient CO2 Dissolution - The Neo Mixer ensures high-efficiency CO2 dissolution at the outlet of your external filter, enhancing plant growth without the need to cut filter tubes. Ideal for maintaining a clean and healthy aquarium.
$ 29.99
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CAPASTEC CO2 Diffuser, Efficient Carbon Dioxide Distribution, Aquarium CO2 System, for Optimal Plant Growth, S, Clear, 1 Set
Enhanced CO2 Distribution: Elevate the health of your aquatic floras with our CO2 drops checker, designed to ensure efficient carbon dioxide distribution within your aquarium. By promoting optimal plant growth without excessive bubbles, this diffuser creates a thriving environment for your underwater plants.
$ 16.99
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ISTA CO2 Compact V Diffuser (3 in 1) - Large
The Ista CO2 Diffuser (3 in 1), large, is very practical. In a single piece, you have a check valve, a bubble counter and the diffuser. The ceramic plate can be replaced.
$ 17.95
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Co2 Diffuser, Stainless Steel Carbon Dioxide Diffuser Fish Tank Supplies Aquarium Equipment(L (300mm))
Material: Co2 Diffuser Aquarium made of high-grade material.
$ 15.49
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Chiffonade Black Plastic Carbon Dioxide Diffuser Ceramic CO2 Atomizer Dissolve System with Nut Lock for Aquarium(L)
Enhanced CO2 Dissolution: Our ceramic diffusion technology maximizes carbon dioxide absorption for optimal aquatic plant growth and tank health
$ 13.69
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Ultum Nature Systems CO2 Diffuser for Planted Aquariums - White Ceramic Disc with Fine Bubble Diffusion, Clear Acrylic Atomizer with U-Clip and Suction Cups for Rimless Tank Setup - Medium
Fine Micro Bubbles: Aquarium CO2 diffuser with a white ceramic disc that produces consistent fine CO2 bubbles for smooth diffusion in aquascapes and planted aquarium setups.
$ 20.99
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Aquarium CO2 Generator Kit, Low Cost DIY CO2 Supply with Pressure Gauge and Needle Valve for Planted Tanks White Bottle Cap System Tubing Set
Provide CO2: Our Aquarium CO2 Regulator plays an indispensable role in photosynthesis of aquatic plants. This carbon dioxide generator mainly provides a real environment for the growth of plants
$ 27.32
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Clscea Inline CO2 Solenoid Valve Mini Low Temperature for Aquarium CO2 System
ćEnergy-savingć12V direct current (DC) 0.8w, more safe and stable than AC power. Power adapter with universal voltage 110V-220V.
$ 24.99
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Aquario Neo CO2 Aquarium Diffuser - CO2 Diffuser Aquarium Kit, CO2 Diffuser for Aquarium Plants, CO2 System for Aquarium - Extended Special Diffuser, Medium
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 23.99
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hokojix Aquarium Fish for CO2 Diffuser Tessellator Atomizer Suction
Ceramic+Plastic
$ 11.39
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Chiffonade Stainless Steel CO2 Diffuser High Dissolution Rate with Leak-Proof Design Fish Tank Aquarium Atomizer(300mm)
Construction: Crafted from high-grade stainless steel for superior durability ensuring long-lasting performance in freshwater and saltwater aquariums
$ 15.69
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JARDLI Glass CO2 Drop Checker ā CO2 Monitor Kit for Aquarium Planted Tank CO2 System (Drop Checker with Solution)
Easy To Use: It consists of a pre-made 4dKH solution containing the appropriate amount of indicator. No mixing is required. Just fill the carbon dioxide monitor drop checker 1/2 full of indicator solution and place it in the planted tank with the help of the suction cup.
$ 12.99
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Yagote CO2 Diffuser Glass Reactor with U Shape Connecting Tube for Pollen Aquarium Plants Tank(CO2 Diffuser-Large Flat-Bottomed)
FUNCTION: This CO2 diffuser can create rich CO2 to provide aquarium plants with the carbon dioxide they need and ensure the nutrition and health of hydrophytes. The CO2 diffuser will supply aquarium plants a friendly living environment.
$ 9.99
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NilocG Aquatics Glass CO2 Drop Checker ā CO2 Monitor Kit for Aquarium Tank ā Functional and Reliable ā Transparent Drop Checker, 4dkh/pH Reagent Solution and Suction Cup
Complete Kit: Our aquarium water C02 drop checker/monitor contains everything you need for efficient monitoring of CO2 levels in your tank. The fish tank C02 drop checker/monitor includes the highest quality glass drop checker, suction cup, and a 60ml bottle of 4dkh/pH reagent solution.
$ 15.97
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Chiffonade Aquarium CO2 Diffuser Fine Bubble Atomizer with Reverse Osmosis Technology Leak-Proof Design for Fish Tank Photosynthesis(Brown-L)
High Efficiency CO2 Diffusion: Advanced reverse osmosis technology creates ultra-fine bubbles to maximize CO2 dissolution rate and reduce gas consumption for optimal aquarium plant growth
$ 14.99
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Hygger CO2 Aquarium Regulator with Dual Pressure Gauges, 12V DC Solenoid Valve, Bubble Counter & Check Valve - Precise Display for Aquatic Plant CO2 System
Universal and Durable: Our CO2 regulator is made of hard aluminum alloy, not easy to rust and has a long service life. It has good compatibility, not only suitable for most brands of CO2 atomizers, diffusers, but also suitable for American standard CGA320 CO2 tanks, which can quickly and easily inject CO2 into the aquarium, convenient and worry-free.
$ 56.99
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Fdit CO2 Diffuser Atomizer, Efficient Fine Bubble Carbon Dioxide Diffusion for Aquarium Fish Tank ABS Green Large 1 Piece
ćPREMIUM MATERIALćMade of material, which is non-, , energy-saving and .
$ 17.24
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hygger Air Stone for Aquarium: Quiet High Dissolved Oxygen Diffuser Kit for Freshwater or Saltwater Fish Tank and Hydroponic Air Pump-Disc 2 x 2 Inch Air Bubble Stone Without air Pump
Fine bubble output: The air stone is made of high-density corundum sand, and the high-density holes form a large number of fine bubbles with low noise. Natural mineral materials will release trace elements, optimize water quality and increase fish activity, especially suitable for ornamental fish and young fish maintenance.
$ 9.99
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Ista 551 3 in 1 CO2 Diffuser Bubble Counter Check Valve 20mm (M)- Aquarium Plant Tank, Clear
These are the most practical diffusers available. Into a single piece, you have a check valve, a bubble counter and the diffuser. Also very important is that the ceramic plate can be replaced.
$ 16.99
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hygger Aquarium Air Stone, 2.6 Inch Nano Air Stone Makes Super Tiny Bubbles, Ultra Quiet Dissolved Oxygen Diffuser Small Airstone with Stainless Steel Base for Aquarium, Fish Tank & Hydroponic, Round
Dense Tiny Bubbles: Our hygger oxygen stone refines the air output from the air pump into fine, delicate bubbles, akin to a gentle mist. This enhances oxygen solubility in your aquarium, hydroponic systems, fish tanks, and small ponds effectively.
$ 11.99
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BASE WAVE 4 Pcs of Replacement Diffusing Disc for Aquarium CO2 Diffuser (2 Sizes Aavailable) (1.22 inches (31mm) x 4 pcs)
Package include : 4 pcs ;
$ 9.99
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FZONE 16 feet Aquarium Co2 Proof Tubing 3/16'' ID Black
Premium PU material ensures a kink-free design with a sleek black color and no unpleasant odor.
$ 9.90
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Pawfly Glass CO2 Drop Checker for Aquarium CO2 Indicator for Planted Fish Tank CO2 Monitor Kit with Solution & Suction Cups CO2 Detector Aquarium CO2 Tester Fish Tank Carbon Dioxide Checker
Complete CO2 Monitor Kit: Everything you need for precise CO2 monitoring! Include curved glass tubing, a bottle of reagent solution, and 2 suction cups. Effortlessly keep track of the CO2 level in your planted aquarium right at home
$ 9.99
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BDKMMS CO2 Diffuser, External CO2 Atomizer with Replaceable Refiner Head for Aquatic Plants & Marine Tanks
BDKMMS
$ 19.99
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NIEUW IO-diffusor - serie acryl - in de tank CO2 Diffuser
Appealing Design: This product has a visually appealing design
$ 25.99
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QANVEE Inline CO2 Atomizer Diffuser Aquarium Planted Tanks Aquascape (M1 Replacement Ceramic)
- The Qanvee CO2 Atomizer is an inline aquarium CO2 diffuser that is designed to be installed outside of the planted tank rather than being placed inside the aquarium. It will keep your aquarium much cleaner and free of additional equipment visible inside the planted tank.
$ 14.99
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5% discount
Aquarium Co2 Regulator, Mini COā System with Upgraded DC Solenoid and Bubble Counter Check Valve, Detachable Design, for Building COā System in Aquatic Plant Tank
Hygger CO2
$ 43.69
$ 45.99
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Aquario Neo CO2 Aquarium Diffuser - Fine Mist Oxygen for Fish Tank, CO2 System for Aquarium Plants - Extended Special Diffuser
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 24.99
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Boxtech Aquarium Air Pump Kit 1.7W,Fish Tank Oxygen Pump
The Boxtech aquarium air pump contains a complete set of accessories for aquarium air pumps. Thanks to its powerful performance, the air pump can be used for sponge filters
$ 16.99
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Desktop CO2 Regulator with 80g Disposable CO2 Cartridge with Solenoid Valve, Complete Aquarium CO2 System, Compatible with 5/8" Threaded for Nano Aquariums
Long-Lasting & Hassle-Free CO2 System:The disposable 80g cartridge eliminates frequent refills for effortless setup and minimal maintenance. Our internal tests confirm 75-day continuous operation at 1 BPS (8 hours daily)
$ 75.89
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Ultum Nature Systems CO2 Diffuser for Planted Aquariums - White Ceramic Disc with Fine Bubble Diffusion, Clear Acrylic Atomizer with U-Clip and Suction Cups for Nano & Rimless Tank Setup - Small
Fine Micro Bubbles: Aquarium CO2 diffuser with a white ceramic disc that produces consistent fine CO2 bubbles for smooth diffusion in aquascapes and planted aquarium setups.
$ 19.99
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FZONE Acrylic Aquarium COā Diffuser Built-in Check Valve(M-25mm)
FZONE Ultra-Fine CO2 Bubbles:The FZONE plant diffuser features a micro-pore ceramic disc that produces fine, evenly dispersed CO2 bubbles that spread smoothly throughout the aquarium. This helps improve CO2 distribution in the water, allowing plants to absorb CO2 more effectively in setups using CO2 for aquarium systems.
$ 12.99
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LINLAN 9.85in 304 Stainless Steel COā Diffuser, Frosted Matte Material(One-Piece Molding), Equipped with Silicone Suction Cup + Replacement Diffusion Disc, Suitable for Rimless Planted Aquariums
304 Stainless Steel: Crafted from premium 304 stainless steel ā shock-resistant, non-deformable and durable. This material releases no harmful substances, making it safe for fish, shrimp and more. The matte finish and minimalist design simplify cleaning and maintenance.
$ 14.99
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GOTOTOP CO2 Diffuser, DIY CO2 Generator Aquarium Plant System Generator D201 Tube Valve Guage Bottle for Aquarium Moss Plant
Recommended Material: Baking soda+citric / alum+baking soda /+baking soda, etc. Easy to operate and designed for low cost planted use,to provide your aquarium plants an abundant CO2 environment for better growing
$ 22.99
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Twin Star CO2 Diffuser (Small)
Microspore ceramic stone produces ultra fine bubbles.
$ 12.75
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Clscea Aquarium Air Diffuser for Fish Tank Air Bubbler for mini Tank
ćUnique air diffuserćCreat a whisper of bubbles. Give your fish a great supply of oxygen. Stick to the tank wall with the included suction cup, keep clear of sediment at the bottom of the tank. More cleaner and noiseless.
$ 9.99
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API Co2 Booster Freshwater Aquarium Plant Treatment 16 oz Bottle, Brown
Contains one (1) API CO2 BOOSTER Freshwater Aquarium Plant Treatment 16-Ounce Bottle
$ 14.68
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LINLAN 4-Piece Aquarium 304 Stainless Steel U-Tube Connectorļ¼Anti-Kink Design, Compatible with 5/16 inch (4mm) ID Air Hose, Air Pump and CO2 Diffuser Accessory for Rimless Aquariums
ćMIRROR-POLISHED 304 STAINLESS STEELć Made of 304 stainless steel, it resists corrosion and wear, remains resistant to aging even after long-term immersion, and easily cleans without scratches.
$ 9.99
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ULTECHNOVO Aquarium Co2 Bottle Caps Quick Twist DIY Co2 Cap for Aquarium Co2 Kit Reactor Bottle Cap for Live Plant Air Generator System Fish Tank Air Pump Accessories Set of 4
Core Functionality: Quickly Twist the Bottle Cap is designed to fit most DIY aquarium CO2 reactors, enabling efficient control of carbon dioxide release for healthy aquatic plant growth and fish environment
$ 20.79
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Aquario Neo CO2 Aquarium Diffuser - CO2 Diffuser Aquarium Kit, CO2 Diffuser for Aquarium Plants, CO2 System for Aquarium - Normal Diffuser, Tiny
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 17.58
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CO2 Kit for Aquarium - DIY System and Diffuser 2-in-1 Design G500-Blue
ć4-in-1 CO2 Diffuser ā Complete DIY Kitć Includes CO2 diffuser, bubble counter, check valve, and suction cups. No need to buy separate parts.
$ 29.99
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5% discount
POPETPOP 4-Pack Co2 Refining Tube U-Shaped Aquarium Air Pump Accessory Transparent Connecting Pipe for Fish Tank Co2 Injection Systems Mount Over Rim to Keep Tubing Open 2.16X1.18X0.23in
Compact CO2 Diffuser: Mini glass design fits small tanks (1.77"x0.59") and connects to 4mm airline tubing, ideal for pressurized co2 system for aquarium setups
$ 20.42
$ 21.49
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YUSHENYI CO2 Diffuser for Aquarium Planted-Tanks Small Size Air Pumps Accessories Tiny Bubble with Suction Cup Easy to Use
For freshwater and planted-aquariums, as well as other aquatic-environment that require consistent CO2 distribution
$ 9.69
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Aquario Neo CO2 Aquarium Diffuser - CO2 Diffuser Aquarium Kit, CO2 Diffuser for Aquarium Plants, CO2 System for Aquarium -Normal Special Diffuser, Medium
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 19.99
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Clscea CO2 Diffuser for Aquarium Plant Mini CO2 Atomizer, U-Shaped-L
ćFor medium tanksćCute and mini,easy to hide in the tank.
$ 13.99
free delivery
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Aquario Neo CO2 Aquarium Diffuser - CO2 Diffuser Aquarium Kit, CO2 Diffuser for Aquarium Plants, CO2 System for Aquarium - Extended Original Diffuser, Large
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 22.99
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Aquario Neo CO2 Aquarium Diffuser - CO2 Diffuser Aquarium Kit, CO2 Diffuser for Aquarium Plants, CO2 System for Aquarium - Extended Original Diffuser, Medium
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 21.99
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Aquarium Co2 DIY Reactor Bottle Cap for Soda Bottle Screw On Plastic
The specification of the trachea that can be connected with the joint is 4MM in inner diameter and 6MM in outer diameter.
$ 9.99
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Aquario Neo CO2 Aquarium Diffuser - CO2 Diffuser Aquarium Kit, CO2 Diffuser for Aquarium Plants, CO2 System for Aquarium - Extended Original Diffuser, Small
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 20.99
free delivery
To the offer
Aquario Neo CO2 Aquarium Diffuser - CO2 Diffuser Aquarium Kit, CO2 Diffuser for Aquarium Plants, CO2 System for Aquarium - Normal Original Diffuser, Medium
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 20.49
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Zerodis CO2 Bubble Counter, 2 Types Single/Double Head Carbon Dioxide Bubble Counter Aquarium Diffuser Regulator Fish Supplies (Double Head)
With non-return function to prevent the backflow when the pressure changes, and this can ensure the water plant table and CO2 bottle from damage.co2 druckminderer aquarium. co2 diffuser.fish tank
$ 12.12
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Aquarium Oxygen Aeration,Glass CO2 Diffuser Air Purge,Aquarium Equipment Fish Tank Accessory,Aquarium Air Bubbler Glass Cup, for Fish Tank Air Fish(Dissolved oxygen device (including bubble stone))
ćDURABLEćOxygen aeration is made of glass material, sturdy, and long service life.
$ 13.05
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Aquario Neo CO2 Aquarium Diffuser - CO2 Diffuser Aquarium Kit, CO2 Diffuser for Aquarium Plants, CO2 System for Aquarium - Curved Diffuser, Tiny - Short
[Super Fine Mist] Optimize the growth of your aquarium plants equipped with tiny nanoholes. This CO2 diffuser converts CO2 bubbles into a superfine mist, providing efficient dispersal and dissolution of CO2 throughout your aquariums.
$ 19.99
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Carbon Dioxide Bubble Counterļ¼YOUTHINK High Transparent Crystal Glass Aquarium Bubble Counter Screw Fish Co2 External Bubble Gaug Glass Spiral Regulator Diffuser Atomizer
SAFE AND DURABLE MATERIAL: Ada co2 beetle counter is made of high transparent crystal glass, acid and alkali resistant, good stability and long service life.
$ 14.46
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Ejoyous CO2 Hanging Bubble Counter with Check Valve Double Head Non-Return Bubble Counter for Aquarium Water Plant, Fish Tool for Co2 Diffuser Atomizer Regulator Injection System
ćBuilt-in Check Valveć: This bubble counter comes with a built-in check valve; The CO2 Regulator can prevent the backflow when the pressure changes and this can avoid the water plant table and CO2 bottle from damage
$ 11.22
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Innovative Marine Accudrip Acclimator
Customize acclimation rates for any new additional into your aquarium
$ 12.00
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IAFVKAI 2PCS Glass U Shape Tube for Aquarium Air Pump Fish Tank Aquarium CO2 Diffuser Connect Tube
Package Includes:2 x U-Shape Connectors. The product belongs to fragile product,We try our best to avoid the breakage.If there is breakage when you receive it, please be careful to avoid being scratched
$ 9.99
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We have found a total of 165 CO2 Diffuser deals for you at amazon, Chewy.com, PetSmart, and other shops. The most popular brands are: Clscea, FZONE, and Aquario. Today's offer is Clscea Aquarium Stainless Steel CO2 Diffuser Atomizer with Integrated Check Valve for Rimless Tanks, DC300-20 with 15% discount. The lowest price we found in our deals is $ 9.69 . The highest price in our price comparison is $ 149.99 . Currently, we have selected 4 reliable shops for you to buy CO2 Diffuser affordably.