Aquarium water test deals(Disclaimer)
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🏅 154 Aquarium Water Test in price comparison
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💶 Current offers and discounts
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🕝 Last updated on 02.10.2026
API Freshwater Master Test Kit 800-Test Freshwater Aquarium Water Kit, White, Single, Multi-Colored
Contains one (1) API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test Kit, including 7 bottles of testing solutions, 1 color card and 4 tubes with cap
$ 39.99
free delivery
To the offer
29% discount
API NITRITE TEST KIT 180-Test Freshwater and Saltwater Aquarium Test Kit
Contains one (1) API NITRITE TEST KIT 180-Test Freshwater and Saltwater Aquarium Test Kit, including 1 bottle of testing solution, 1 color card and 1 test tube with cap
$ 11.98
$ 16.78
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
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11 in 1 - Aquarium Test Strips | 950 Tests - 150 Strips | Fish Tank Aquariums Water Test Kit & ebook | Aquarium Thermometer | Fish Tank Water Testing Kit Includes 50 Ammonia Strips | Versatile Usage
Home Aquarium Water Test Kit - Ensure the health of your fish with aquarium water testing kit & ammonia test strips for fish tank. This complete freshwater & saltwater tank test kit provides a reliable water tester for ammonia, pH, iron, chlorine, total hardness (GH), carbonate, nitrate, nitrite, total alkalinity, copper, and temperature, allowing you to have a complete understanding of your aquarium water quality. Trusted by fish enthusiasts, it adapts to your needs, making it an essential tool for aquarium care.
$ 22.99
free delivery
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Pawfly 5 in 1 Aquarium Water Master Test Kit, Fish Tank Water Testing Kit
5-in-1 Master Test Kit: Monitor all 5 critical water parameters – pH, nitrite, nitrate, ammonia, and phosphate – in one comprehensive aquarium test kit. The rigorous analysis helps you maintain an ideal haven for your aquatic friends
$ 31.99
free delivery
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ATI ICP Lab Analysis Pro for Reef Aquariums - Old Version - Advanced Water Testing with RO Water Analysis - Nitrate, KH & Fluoride - 1 Test Kit
Includes a Prepaid Label to Ship your Water in
$ 49.95
free delivery
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175-Count 8-Way Aquarium Test Strips with Ammonia-Fish Tanks&Ponds
EXPERT WIDE-SPACING DESIGN – NO COLOR BLEED:6mm spacing between pads prevents color mixing for clean, reliable readings. Large color blocks and clear comparison chart allow fast, error-free interpretation. Lab-tested to ±3% accuracy—trust every result, every time
$ 11.76
free delivery
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AAwipes Aquarium Ammonia Test Strips 8-in-1 |100 Strips | Quick & Accurate Water Testing for Freshwater & Saltwater Tanks -Test pH, Sodium Chloride, Alkalinity, Hardness, Chlorine etc. (K02-100)
Professional Quality Testing Kit: The AAwipes Aquarium test kit (100 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.
$ 11.98
free delivery
To the offer
10% discount
7 Way Aquarium Test Strips, 125 Strips for Fish Tank & Pond Test Kit
Easy to Use Aquarium Test Kit Strips:This fish aquarium test strips make aquarium water testing effortless. Dip the strips, wait a few seconds, and compare the colors for precise results. Easy and accurate for all fish pet keepers
$ 8.99
$ 9.99
To the offer
7 in 1 - Aquarium Test Strips | 100 Fast & Accurate Strips | Fish Tank Aquariums Water Test Kit & ebook | Aquarium Thermometer | Fish Tank Water Testing Kit for Fresh & Saltwater | Versatile Usage
HOME AQUARIUM WATER TEST KIT - Ensure the health of your fish with aquarium water test kit. This all-in-one fish tank water test kit provides a reliable water tester for pH, Chlorine, General Hardness, Carbonate Hardness, Nitrate, and Temperature, allowing you to understand your aquarium water quality completely.
$ 13.99
free delivery
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kactoily Digital Aquarium Water Tester with App Alerts
Ultimate Fish Tank Tracking: Kactoily smart aquarium monitor continuously monitors pH, ORP, EC, TDS, Salinity, SG, and Temp. Designed for both freshwater and marine setups, this all-in-one system replaces manual testing, ensuring your water chemistry is ideal for all fish species
$ 199.80
free delivery
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API 5-in-1 Test Strips Freshwater and Saltwater Aquarium Test Strips 25-Count Box
Contains one (1) API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 25-Count Box
$ 12.98
To the offer
Aquarium Water Test Kit 9-in-1, Aquarium Ammonia Test Strips for Fish Tanks
COMPREHENSIVE AQUARIUM WATER TESTING: 9-in-1 water testing strips kit measures pH, total alkalinity, hardness, chlorine, nitrite, sulfate, copper, iron, and ammonia levels in your aquarium water
$ 11.49
free delivery
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Tetra EasyStrips Complete Aquarium Water Test Kit, 25 Count
ALL-IN-ONE TESTING KIT: Everything you need to test your aquarium water.
$ 9.99
To the offer
16% discount
BACNUNN Aquarium Test Strips: 200CT 9 in 1 Fish Tank Water Testing Kit
Professional Aquarium Test Strips: BACNUNN aquarium water test kit is the result of 21 years of continuous upgrading and improvement in our labs, and is the most accurate aquarium test kit on the market today; BACNUNN has many quality certificates such as ISO 9001
$ 9.99
$ 11.89
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Aquarium Test Strips for Freshwater Fish: 7 in 1 Fish Tank Water Testing Kit for Aquarium Pond - Accurate Testing Nitrate Nitrite Hardness Free Chlorine pH Carbonate Total Alkalinity-100 Strips
7-WAY AQUARIUM TEST KIT FRESH WATER : FUNSWTM aquarium testing strips can accurately test 7 essential water parameters in your aquarium, including nitrate nitrite hardness free chlorine pH carbonate and total alkalinity.
$ 11.99
free delivery
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Pawfly 6 in 1 Digital Water Testing Kit, 50 Strips Aquarium Water Test Kit
6-in-1 Fish Tank Water Test Kit: Accurately analyze 6 water parameters in one device – pH, nitrate (NO3), nitrite (NO2), chlorine (CL2), total hardness (GH), and carbonate (KH). Keep your aquarium water safe for all aquatic pets and plants
$ 125.99
free delivery
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Tetra EasyStrips 6-in-1 Aquarium Water Test Strips, 25 Count
COMPLETE TESTING: Regularly testing your water levels is critical to the success of your aquarium.
$ 14.97
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Aquarium Test Strips,7-Way Freshwater Saltwater Fish Tank Pond Test(100ct)
Aquarium Test Strips for Freshwater Fish : 7 in 1 Fish Tank Water Testing Kit for Aquarium Pond,Fast & Accurate Testing Nitrate ,Nitrite, General Hardness, pH ,Carbonate, Total Alkalinity,Total Chlorine
$ 8.99
free delivery
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API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 100-Count Box
Contains one (1) API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 100-Count Box
$ 24.98
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Fluval Master Test Kit for Aquarium Water
Offers essential testing of pH, Ammonia, Nitrite and Nitrate
$ 49.70
free delivery
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SaySummer Aquarium Test Strips for Fish Tank: 9 in 1 Aquarium Ammonia Test Strips for Fish Tank - 125 Counts Aquarium Water Test Kit Testing Ammonia Nitrogen, Copper, pH and More
Complete Aquarium Water Test Kit: Our fish tank test strips transform complex professional testing into a simple, user-friendly solution. This comprehensive fish tank kit measures 9 crucial elements: Ammonia Nitrogen, Copper, Nitrate, Nitrite, pH, Free Chlorine, Hardness (GH), Carbonate (KH), and Total Alkalinity. By ensuring substances affecting fish health stay below safe levels, stabilizing pH, and maintaining buffering capacity, it fosters a healthy, stable aquatic environment.
$ 13.99
free delivery
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AAwipes 8-in-1 Aquarium Test Kit (150 Strips) for Freshwater & Saltwater - Quick & Accurate Water Testing for Aquariums & Ponds. Tests Free Chlorine, Hardness, pH, Ammonia Nitrogen, etc. (K02-150)
Professional Quality Testing Kit: The AAwipes Aquarium test kit (150 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.
$ 14.98
free delivery
To the offer
HYCHEK 12 in 1 Accurate Aquarium Test Kit, Fresh and Salt Water Test Strips
Upgraded 12-in-1 Aquarium Test Kit – This test kit allows you to test 12 key water parameters, including Ammonia, Phosphate, Iron, Copper, Nitrate, Nitrite, Total Hardness, Free Chlorine, Total Alkalinity, Carbonate, pH (Fresh Water), and pH (Salt Water). Gain a comprehensive understanding of your water quality and ensure the health and well-being of your fish. It meets daily testing needs and is an essential kit for home or aquarium use.
$ 24.99
free delivery
To the offer
21% discount
9-in-1 Aquarium Water Test Kit - 100 Freshwater & Saltwater Test Strips | Fish Tank Kit for pH, Nitrate, Nitrite, Hardness, Chlorine, Iron, Copper, Alkalinity, Carbonate | Quick & Reliable Results
9-IN-1 AQUARIUM TEST STRIPS: Test 9 critical water parameters in one simple step, including Iron, Copper, Nitrate, Nitrite, Chlorine, pH, Total Hardness, Carbonate Hardness, and Total Alkalinity. Perfect for both freshwater and saltwater aquariums, it provides a complete understanding of your water quality.
$ 10.99
$ 13.99
To the offer
12-in-1 Aquarium Test Strips for Ammonia, 50ct Fish Tank Water Testing Kit
AMMONIA CHECKS: These ammonia test strips support an ammonia test kit for aquarium and ammonia test strips for fish tank. Also works as a nitrate test kit and fish tank pH test kit while checking hardness, alkalinity, chlorine, iron, copper and H2S.
$ 8.75
free delivery
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6% discount
Kactoily Smart Aquarium Monitor All in One pH/ORP/Salt/S.G/TDS/EC/Temp 24h Online Freshwater and Saltwater Fish Tank Tester (WiFi Version)
All-in-One Monitor: This versatile 7-in-1 aquarium pH monitor measures multiple water quality parameters including pH, TDS, EC, ORP, Specific Gravity, Salinity, and Temperature—all in a single unit. Easily track pH levels, temperature fluctuations, TDS levels, and conductivity in your water
$ 169.99
$ 179.99
To the offer
9-In-1 Aquarium Test Strips – 100 Strips for Freshwater & Saltwater | Tests pH, Nitrate, Nitrite, Hardness, Chlorine, Copper, Iron, Carbonate & Alkalinity | Fast Results for Fish Tank & Reef Aquariums
TEST 9 PARAMETERS IN ONE DIP – RESULTS IN 60 SECONDS — No guesswork, no complicated kits. Simply dip the strip, hold it horizontally for 60 seconds, and compare to the color chart. Instantly know your pH, Nitrate, Nitrite, Total Hardness, Free Chlorine, Copper, Iron, Carbonate, and Total Alkalinity — everything your fish need to thrive, in one simple step.
$ 11.99
free delivery
To the offer
14% discount
SEAOURA 9-in-1 Aquarium Test Strips 135ct Fresh Salt Water Fish Tank Pond
Fast, Accurate and Easy to Read: Just 3 simple steps: dip the aquarium ph test strips into the water, hold it horizontally, and after the specified time, compare it to the color chart; Easy for beginners to operate and take accurate readings.
$ 9.99
$ 11.59
To the offer
10 in 1 - Aquarium Test Strips | 100 Fast & Accurate Strips | Fish Tank Aquariums Water Test Kit & ebook | Aquarium Thermometer | Fish Tank Water Testing Kit for Fresh & Saltwater | Versatile Usage
SJ WAVE
$ 16.99
free delivery
To the offer
11% discount
Umlecoa 7 in 1 Aquarium Test Kit for Freshwater and Saltwater - 125 Aquarium Test Strips with Test Tube & Thermometer - Fast & Accurate Water Testing Strips for Aquarium/Pond/Pool
【7-in-1 Aquarium Test Kit】- Nitrate (NO3), Nitrite (NO2), Chlorine (CL2), Total Hardness (GH), Total Alkalinity (TA), Carbonate (KH), pH. Test the 7 most important parameters in your tank in just one test. Discover those invisible but dangerous aquarium water problems with our powerful aquarium test strips, let you know what to do to create healthy environment for your fish.
$ 7.99
$ 8.99
To the offer
API Replacement Test Tubes for Aquarium Test Kits 6 Pack Bundle
API
$ 13.74
free delivery
To the offer
17% discount
Wutest 9 in 1 Aquarium Test Strips 150 Aquarium Test Kit Fish Tank Test Kit
150 Count 9 in 1 Aquarium Test Strips - Wutest aquarium testing strip tests the most important 9 parameters in just one test strip - Iron (Fe), Copper (Cu), Nitrate (NO3), Nitrite (NO2), Chlorine (Cl2), Total Hardness (GH), Total Alkalinity (TAL), Carbonate (KH), pH. Allowing you to have a complete understanding of your aquarium water quality
$ 11.99
$ 14.39
To the offer
LabBestest Aquarium Test Strips Fish Tank Pond Water Testing Kit (7-Way)
7-Way Professional Aquarium Test Strips Kit: LabBestest No Lab Visit. Get Lab-Accurate Result. LabBestest has many quality certificates such as CE, ISO. The kit measures 7 key parameters like pH, Carbonate, Hardness, Total Chlorine, Free Chlorine, Nitrate, Nitrite. (Note: It does not include Ammonia). Allowing you to have a complete understanding of your aquarium water quality
$ 9.98
free delivery
To the offer
10% discount
Aquarium Test Strips - 9-in-1 Aquarium Test Kit with eBook - Aquarium Water Test Kit with Quick and Accurate Fish Tank Test Strips - 100 Test Strips by JNW Direct
9-IN-1: Our comprehensive freshwater aquarium test kit, featuring aquarium test strips, simplifies water testing for both freshwater and saltwater setups. Covering key parameters, this kit ensures optimal conditions for your fish tank.
$ 8.99
$ 9.99
To the offer
11 in 1 Aquarium Water Test Strips with Ammonia,125 ct Fish Tank Test Kit
11 Essential Parameters Aquarium Tests: Easily monitor 11 vital parameters of your aquatic water: pH, Total Alkalinity, Carbonate (KH), Total Hardness (GH), Total Chlorine, Sodium Chlorine, Iron, Copper, Nitrate, Nitrite, and Ammonia Nitrogen
$ 17.99
free delivery
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API AMMONIA TEST STRIPS Freshwater and Saltwater Aquarium Water Test Strips 25-Test Box
Contains one (1) API AMMONIA TEST STRIPS Freshwater and Saltwater Aquarium Water Test Strips 25-Test Box
$ 12.98
To the offer
5% discount
9-Way Aquarium Test Strips, Aquarium Test Kit for Fish Tanks & Ponds 50ct
Aquarium Test Strips 9 in 1 :This freshwater aquarium test kit with 9-in-1 testing for Free Chlorine, Nitrate, Nitrite, Hardness, Total Alkalinity, pH, Sodium Chlorine,iron and copper. Convenient and mess-free testing method suitable for both beginner and experienced aquarists
$ 7.20
$ 7.58
To the offer
Fritz 6 in 1 Aquarium Test Strips - Monitor Nitrates, Nitrites, Water Hardness, Chlorine, Alkalinity and pH Level - 100 Count
Comprehensive Testing: Ensure the health of your aquarium with complete monitoring of nitrates, nitrites, water hardness, chlorine, alkalinity, and pH levels.
$ 19.99
free delivery
To the offer
37% discount
LOHAND Ammonia Test Strips for Fish Tank, 0-20 ppm Range, 100 Strips
Fast and accurate fish tank test strips: Employs a chromogenic reaction principle, it can determine and read the ammonia nitrogen concentration in water within a relatively short time. Equipped with 6ml of Ammonia Nitrogen Activator, to make the measurement results more accurate.
$ 10.00
$ 15.99
To the offer
44% discount
API AQUARIUM SALT Freshwater Aquarium Salt 67-Ounce Box
Contains one (1) API AQUARIUM SALT Freshwater Aquarium Salt 67-Ounce Box
$ 12.48
$ 22.13
To the offer
Aquarium Test Strips for Freshwater Fish – 9 in 1 Fish Tank Water Test Strips, Fast & Easy Color Chart for Beginners, Test Ammonia Nitrite Nitrate pH Chlorine Hardness, 50 Strips
Comprehensive 9-in-1 Test Strips: FUNSWTM aquarium test strips accurately test 9 essential water parameters including Ammonia, pH, Nitrate, Chlorine, Nitrite, Hardness, Alkalinity, and Copper for both freshwater and saltwater aquariums.
$ 10.99
free delivery
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10-in-1 Ammonia Test Kit Aquarium (100 Strips): 50 Multi-Test + 50 Ammonia | Aquarium Test Strips for Freshwater & Saltwater. for Fish Tanks, Aquariums & Pond Water Test kit. Test Nitrate, pH & More
10-in-1 Ammonia test kit aquarium: 100 Strips (50 Multi-Test Strips + 50 Ammonia Strips). Works in freshwater & saltwater. precisely measures NH3 (0.25ppm) and NO2− (0.5ppm) - the most dependable ammonia test kit for aquariums available
$ 15.99
free delivery
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Yiffer 8-Way Aquarium Test Strips with Ammonia-75CT for Fish Tanks & Ponds
EXPERT WIDE-SPACING DESIGN – NO COLOR BLEED:6mm spacing between pads prevents color mixing for clean, reliable readings. Large color blocks and clear comparison chart allow fast, error-free interpretation. Lab-tested to ±3% accuracy—trust every result, every time
$ 7.99
free delivery
To the offer
Aqueon 7-in-1 Aquarium Test Strips, Fast Results for pH, Total Alkalinity, Hardness, Nitrate, Nitrite, Free Chlorine and Iron Levels, for Freshwater and Saltwater, 50 Count
ALL-IN-ONE TESTING to check pH, total alkalinity, hardness, nitrate, nitrite, free chlorine, and iron levels to protect fish.
$ 17.26
free delivery
To the offer
7% discount
Ammonia Test Strips for Fish Tank, 50ct Ammonia Aquarium Test Strips
Easy to Use Ammonia Test Strips:This ammonia aquarium test strips make aquarium water testing effortless. Dip the strips, wait 3 minutes, and compare the colors for precise results. Easy and accurate for all fish pet keepers
$ 8.39
$ 8.99
To the offer
Agriculture Solutions Salinity Refractometer for Seawater and Marine Fishkeeping Aquarium 0-100 PPT with Automatic Temperature Compensation
Measure salt water or salinity of water, ideal for aquariums and marine monitoring.
$ 17.99
free delivery
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kactoily Long-Range WiFi Aquarium Water Quality Monitor – 7 Parameter Digital Aquarium Water Tester for pH ORP EC TDS Salinity SG Temp, Freshwater & Saltwater Tanks
24/7 Real-Time Monitoring & Alerts: Monitor pH, salinity, Temp, TDS and 3 parameters via kactoily app. Set custom ranges for each value and receive instant app alerts when levels go out of range. Never miss critical changes in your aquarium
$ 229.80
free delivery
To the offer
kactoily Smart Aquarium Water Monitor, Salinity pH ORP TDS EC Temp Multi-Parameter Tester for Freshwater Saltwater Fish Tanks Real-Time Alerts Upgraded Version
24/7 Real-Time Monitoring & Alerts: Monitor pH, salinity, Temp, TDS and 3 parameters via app. Set custom ranges for each value and receive instant SMS/app alerts when levels go out of range. Never miss critical changes in your aquarium
$ 179.99
free delivery
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SunGrow Test Kit for Aquarium, Accurate Water Quality Monitoring, Essential Tool for Fish Keepers and Tank Maintenance, 1 Bottle with 100 Strips & 3-Piece Sticker Thermometer, 1 Set Per Pack
Know Your Numbers at a Glance — Keep daily tank checks simple with a stick-on aquarium thermometer strip that displays temperature clearly for quick viewing. A handy aquarium accessory for routine monitoring in freshwater and saltwater setups.
$ 7.99
free delivery
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![JNW Direct Pond Water Test Kit for Ponds - 7 in 1 Test Strips [50 Pack]](https://cdn.netzshopping.de/productimages/X/C/S/B08CGNNSCX.jpg)
JNW Direct Pond Water Test Kit for Ponds - 7 in 1 Test Strips [50 Pack]
7-IN-1 POND TEST STRIPS: Keep your pond clear and your fish healthy with our 7-in-1 pond test kit. Test your pond water for hardness, carbonate chlorine, nitrite, free chlorine, pH, nitrate, and alkalinity
$ 16.99
free delivery
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Aquarium Test Strips for Fish Tank: 9 in 1 Aquarium Water Test Kit for Freshwater - 150ct Fish Test Strips Testing Ammonia pH Nitrate Chlorine Nitrite Hardness Alkalinity Copper
Comprehensive 9-in-1 Test Strips: FUNSWTM aquarium test strips accurately test 9 essential water parameters including Ammonia, pH, Nitrate, Chlorine, Nitrite, Hardness, Alkalinity, and Copper for both freshwater and saltwater aquariums.
$ 15.99
free delivery
To the offer
Monitor DISSOLVED Oxygen Test KIT (60 Tests) - Monitor Aquarium and aquaculture Water Quality
Test dissolved oxygen level in water
$ 15.90
free delivery
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AAwipes Fish Tank Marine Water Test Strips 9-in-1 |25 Strips | Freshwater, Saltwater & Reef Tanks Quick & Accurate Test pH, Carbonate, Copper, Alkalinity, Hardness, Chlorine, Nitrate, Nitrite, etc
Complete Parameter Testing: The AAwipes Aquarium Test Kit (25 strips) is expertly engineered for dedicated aquarists. This 9-in-1 water test kit delivers comprehensive analysis using high-quality fiber paper with non-bleeding color pads. It accurately measures key parameters including Free Chlorine, Nitrate, Nitrite, General Hardness, Total Alkalinity, pH, Carbonate, Iron, and Copper
$ 8.98
free delivery
To the offer
GAOQSEMG Aquarium Water Test Kit 11 in 1,100 Counts Ammonia Aquarium Test Kits Fish Tank Test Strips Freshwater & Saltwater pH Testing Strips for Ammonia,
Comprehensive 11-in-1 Testing:This complete freshwater & saltwater tank test kit provides a reliable water tester For Ammonia(NH3/NH4+) , hardness (GH), pH(Freshwater), pH(Saltwater), free chlorine (CL2), carbonate (KH), nitrite (NO2), nitrate (NO3), alkalinity (TA), copper (Cu), iron (Fe) .
$ 17.99
free delivery
To the offer
11 in 1 Aquarium Test Strips Kit | Aquarium Ammonia Test Strips | 150 Strips | Quick Accurate Freshwater&Saltwater Fish Tank Water Test Kit for Ammonia,pH,Nitrate,Nitrite,Hardness,Chlorine,Carbonate
11-in-1 Comprehensive Aquarium Water Testing: Our aquarium test strips cover 11 essential parameters (pH, Ammonia, Nitrate, Nitrite, Total Alkalinity, Carbonate, Hardness, Total Chlorine, Copper, Iron, Temperature). Unlike most aquarium water test kits with 6-10 tests, our fish tank test kit delivers full-spectrum monitoring—ideal for both freshwater and saltwater setups. A top choice for users seeking aquarium test strips with expanded functionality.
$ 18.80
free delivery
To the offer
14% discount
DaToo Aquarium Master Test Kit 5 in 1 Fish Tank Water Master Test Kit for pH Ammonia Nitrite Nitrate Phosphate High Accuracy Aquarium Water Testing Kit for Freshwater and Saltwater Tanks
【DaToo Master-level Testing Kit】: Harmful substances such as ammonia and nitrite in water bodies are invisible to the naked eye. Their continuous accumulation can disrupt the physiological state of fish, causing stress, diseases, and even death. Water quality control is the core aspect of fish breeding. Regularized testing can promptly identify hidden risks and intervene in water quality issues in advance, safeguarding the survival and health of aquatic organisms at their source.
$ 17.79
$ 20.79
To the offer
Tetra EasyStrips Ammonia Test Strips for Aquarium Water, 100 Count
AMMONIA TESTING: Regularly testing your water ammonia levels is critical to the success of your aquarium.
$ 15.97
To the offer
Aquarium Test Glass Tube (6-Pack | 5-ml | 4 x1/2 inch) for Fresh & Salt Water Aquarium Lab Test
Package include : 6 pcs ;
$ 9.99
free delivery
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DIPSTIK Ammonia Test Strips for Fish Tank,Feshwater & Saltwater (50ct)
DIPSTIK
$ 7.99
free delivery
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ICP Water Test - Elemental Water Test Kit - 45 Elements - Reef Aquarium Test -ICP-OES - Saltwater Test Kit - Reef Tank Water Test
Comprehensive Testing - 45 elements currently tested
$ 44.95
free delivery
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API Replacement Plastic Test Tubes with CAPS for Any Aquarium Test Kit Including API Freshwater Master Test Kit 24-Count Box
Contains one (1) API REPLACEMENT TEST TUBES WITH CAPS For Any Aquarium Test Kit Including API Freshwater Master Test Kit 24-Count Box
$ 24.28
free delivery
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Digital Salinity Meter 3-in-1 Saltwater Tester – Specific Gravity, Salinity & Temperature Pen Hydrometer, High Accuracy Water Quality Tester for Aquarium, Marine, Pool, Hydroponics, Aquaculture
Smart & Easy to Use – Backlit LCD screen for clear readings, automatic temperature compensation (ATC), and audible beeps at the start and finish of testing. Designed for quick, hassle-free measurements.
$ 49.99
free delivery
To the offer
7% discount
Red Sea Fish Pharm ARE21525 Marine Care Test Kit for Aquarium
Marine care test kit includes all of the main kits you need to run a healthy marine aquarium
$ 74.44
$ 79.99
To the offer
29% discount
API Stress Coat Aquarium Water Conditioner 16-Ounce Bottle
Contains one (1) API STRESS COAT Aquarium Water Conditioner 16-Ounce Bottle
$ 10.98
$ 15.38
To the offer
24% discount
Seachem Purigen Organic Filtration Resin - Fresh and Saltwater 100 ml
Unique synthetic polymer
$ 9.19
$ 12.16
To the offer
Fritz Master Test Kit
Ideal for freshwater and saltwater
$ 46.99
free delivery
To the offer
Seachem Ammonia Alert
Sachem sensor Technology
$ 10.69
free delivery
To the offer
10% discount
Konohan 12 Pcs 10ml Replacement Test Tubes for Aquarium Test Kits, Blue
Aquarium Test Tube: this test tube is very suitable for use as a container for aquarium water quality testing; Clear scale, self standing base, sealed screw cap, not easy to break
$ 8.99
$ 9.99
To the offer
Red Sea Reef Foundation Pro Test Kit - Accurate Calcium, Alkalinity & Magnesium Testing for Saltwater Aquariums - 75 Tests, Easy-to-Use
Saltwater Reef Foundation Pro Multi Test Kit
$ 87.99
free delivery
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API Phosphate Test Kit For Freshwater And Saltwater, 64 OUNCES
Contains one (1) API PHOSPHATE TEST KIT 150-Test Freshwater and Saltwater Aquarium Water Test Kit, including 2 bottles of testing solution, 2 color cards and 1 test tube with cap
$ 14.99
To the offer
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
To the offer
Lamotte Green Program Low Cost Water Monitoring Kit, Adults
The Earth Force Low Cost Water Monitoring Kit can be used to test fresh, brackish, or saline aquatic environments.
$ 69.99
free delivery
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Advatec Master Test Strip Kit - for Freshwater, Saltwater & Reef Aquariums, Test for 11 Parameters! -Fast Lab-Grade Results with Interpretation Guide! (100 Ct. - 300 Strips, 1,100 Tests)
Must Have For All Aquariums - Protect your fish by ensuring their environment is free of any harmful chemicals.
$ 59.99
free delivery
To the offer
Hanna Salinity Tester HI98319
Onscreen stability indicator ensures the highest level of confidence in your results.
$ 99.99
free delivery
To the offer
11% discount
SEAOURA 7-in-1 Aquarium Test Strips 135pcs for Fish Tank and Pond
Fast, Accurate and Easy to Read: Just 3 simple steps: dip the aquarium ph test strips into the water, hold it horizontally, and after the specified time, compare it to the color chart; Easy for beginners to operate and take accurate readings.
$ 7.99
$ 8.99
To the offer
Phosphate Test Strips for Freshwater & Saltwater Fish Tank - Testing Strips for Fresh & Salt Water Aquarium - Lab Grade Water Tester Kit - 100 Count
Weekly Phosphate Monitoring: Regular testing of water parameters with Phosphate Test Strips helps detect invisible water problems, preventing issues like Cyanobacteria blooms, inhibiting coral calcification, and ensuring the health of fish.
$ 29.99
free delivery
To the offer
5% discount
Aquarium Test Strips,100 Strips 9 in1 Saltwater and Freshwater Aquarium Test Kit for Aquarium,Pond and Fish tank,Testing Carbonate,Alkalinity,pH,Hardness,Free Chlorine,Nitrate,Nitrite,copper and Iron.
9-in-1 aquarium test kits- featuring aquarium test strips, simplifies water testing for freshwater and saltwater setups by covering the most important parameters: Iron, Copper, Nitrate, Nitrite, Chlorine, Total Hardness, Total Alkalinity, Carbonate, and pH. This ensures optimal conditions for your fish tank.
$ 9.41
$ 9.91
To the offer
AAwipes Ammonia Test Strips for Fish Tank Aquarium Test Strips Aquarium Water Test Kit Freshwater Fish Tank (100)
Precise Ammonia Monitoring: AAwipes ammonia test strips provide accurate and reliable results, empowering you to monitor ammonia levels with confidence. Regular testing helps prevent harmful ammonia spikes that can jeopardize the health of your fish and aquatic inhabitants. Identify potential issues early and take corrective actions before they escalate.
$ 13.98
free delivery
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Aquameta Aquarium Test Tube Holder with Rack - For API Freshwater Master Test Kit - 4 Slots Test Tube Rack – White
Multi-Functional Design: Aquarium Water Test Kit Securely Hold Test Tubes For Water Parameter Testing And Enjoy The Dual-purpose Drying Rack Functionality.
$ 23.99
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Red Sea Fish Pharm ARE21405 Saltwater Calcium Pro Test Kit for Aquarium, 75 Tests
Country Of Origin: United States
$ 59.99
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Phosphate Test Strips for Freshwater & Saltwater Fish Tank - Testing Strips for Fresh & Salt Water Aquarium - Lab Grade Water Tester Kit - 25 Count
Weekly Phosphate Monitoring: Regular testing of water parameters with Phosphate Test Strips helps detect invisible water problems, preventing issues like Cyanobacteria blooms, inhibiting coral calcification, and ensuring the health of fish.
$ 20.42
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11% discount
Palinoia 8-in-1 Aquarium Water Test Strips, 60 Count
8-in-1 Complete Water Testing: Test 8 essential parameters in one strip, including pH, ammonia, nitrate, nitrite, hardness, alkalinity, chlorine, and salinity. Helps maintain a balanced aquarium environment.
$ 9.75
$ 10.99
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AAwipes Ammonia Test Strips for Fish Tank Aquarium Test Strips Aquarium Water Test Kit Freshwater Fish Tank (50)
Precise Ammonia Monitoring: AAwipes ammonia test strips provide accurate and reliable results, empowering you to monitor ammonia levels with confidence. Regular testing helps prevent harmful ammonia spikes that can jeopardize the health of your fish and aquatic inhabitants. Identify potential issues early and take corrective actions before they escalate.
$ 9.98
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Yiffer 75-Count Ammonia Test Strips for Fish Tank
75 STRIPS FOR LONG-TERM USE:ideal for frequent monitoring (2–3 times per week) in fish tanks, aquariums, betta tanks, and ponds. Cost-effective and convenient
$ 8.99
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Malida Stainless Water Pressure Test Gauge, Water Pressure Detector for Aquarium Meter 0-1.6MPa 0-220psi Reverse Osmosis System Pump with 1/4.
Water Pressure test Gauge with fittings for connection to 1/4"OD tube
$ 11.78
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Monitor Chlorine Test KIT (250 Tests) - Monitor Aquarium and aquaculture Water Quality
Test the free chlorine level in water
$ 12.90
free delivery
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Digital Salinity Tester for Salt Water - Waterproof IP67 Salinity Meter with ATC Large Range 0-200ppt Saltwater Tester for Seawater, Aquariums, Marine Monitoring, and Koi Fish Pond by ORAPXI
Salinity Range: 0~9999ppm/10~200ppt or 0.0-25%, ORAPXI salinity tester has an automatic temperature compensation function(32°F~140°F), which can decrease the error caused by the change of liquid temperature.
$ 25.99
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Pawfly 5 in 1 Aquarium Water Master Test Kit for Freshwater & Saltwater
5-in-1 Master Test Kit: Monitor all 5 critical water parameters – pH, nitrite, nitrate, ammonia, and phosphate – in one comprehensive aquarium test kit. The rigorous analysis helps you maintain an ideal haven for your aquatic friends
$ 37.99
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Salifert Phosphate Test Kit
The phosphate test kit will detect lower concentrations of phosphates
$ 19.00
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10 in 1 Ammonia Test Kit for Aquarium, 150ct Aquarium Ammonia Test Strips Freshwater Saltwater, Fish Tank Aquarium Test Strips Kit - Testing Ammonia and 9 More !
COMPLETE 10 PARAMETERS - Meet the most complete aquarium test kit, including 100 counts 9 in 1 aquarium water test stirps, and 50 counts ammonia testing strips. 10 parameters - Ammonia, Iron (Fe), Copper (Cu), Nitrate (NO3), Nitrite (NO2), Chlorine (Cl2), Total Hardness (GH), Total Alkalinity (TAL), Carbonate (KH), pH let you know aquarium water condition at a glance.
$ 9.99
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hygger Salinity Tester, Transparent Acrylic Aquarium Hydrometer Sea Specific Gravity Test Salinity Meter for Fish Tank Pond Water Saltwater Freshwater, Accurate Automatic Hydrometer
Marine hydrometer: Tests salinity and specific gravity in marine aquariums to help maintain a healthy tank
$ 9.99
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Seachem MultiTest: Iron 75 Tests
Measures iron to less than 0.05 mg/L
$ 22.14
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7-in-1 Wireless Water Quality Monitor WiFi Water Analyzer Multi-Parameter pH/TDS/EC/ORP/Salinity/SG/Temp Monitor with Real-Time Alerts, Thermometer for Fish Tanks, Freshwater & Saltwater Aquarium
7-in-1 Smart Water Quality Monitor -Track pH, Temperature, TDS, EC, Salinity, Specific Gravity, and ORP in real time for aquariums, ponds, or reef tanks. The device helps monitor water conditions and sends alerts via the Tuya Smart App (iOS/Android) when parameters need attention. Compatible with freshwater, saltwater, and marine setups.
$ 99.99
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AQUANEAT 2 Pack Aquarium Thermometer, Fish Tank Thermometer, Digital Temperature Test, with Large LCD Display
Wide Application: Ideal for use in water or high moisture environment like aquarium terrarium, or vivarium, suitable for different water types such as fresh water, tap water, salty water, marine water and etc.
$ 7.99
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DIPSTIK Aquarium Ammonia Test Strips,8-Way Aquarium Test Kit for Freshwater
Aquarium Ammonia Test Strips for Freshwater Fish : 8 in 1 Fish Tank Water Testing Kit for Aquarium Pond,Fast & Accurate Testing Nitrate ,Nitrite, General Hardness, pH ,Carbonate, Total Alkalinity,Total Chlorine
$ 7.99
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5 in 1 Aquarium Test Strips Kit for Freshwater & Saltwater - Water Fish Tank Tester for pH, Carbonate, General Hardness, Nitrite & Nitrate - 25 Count
Comprehensive Water Monitoring: The 5 in 1 Test Strips provide a holistic approach to aquarium care by covering crucial indicators like pH, Carbonate, General Hardness, Nitrite, and Nitrate. Regular testing with these LAB-grade strips ensures a thorough examination of water parameters for optimal aquatic conditions.
$ 18.99
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YINMIK pH Meter Salinity Tester pH Salt Meter with pH Salt Solution
Digital pH Salt Tester for Saltwater Aquarium: YINMIK Salinity and pH detector is designed for saltwater aquarium and reef tank, accurately reading the acidity alkalinity and salinity of marine fish tank. Ideal saltwater fish tank pH: 8.0-8.5; salt: 32-35ppt. Portable pH and salt monitor for planted aquarium beginner. The pH salinity meter will help you maintain the health of fish, and take care of tank plant and cleaning assistants (such as Astrea, Trochus, Nassarius snails or starfish etc.).
$ 19.99
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SaySummer Aquarium Test Strips for Saltwater Tank: 10-in-1 125 Counts Salt Water Aquarium Water Test Kit, Fish Tank Test Strips for Testing Salt Chlorine Copper Nitrate pH and More, AQSTTN24
Saltwater Aquarium Testing Kit: The 10-in-1 aquarium test kit is specially designed to include salt testing (0-8000 ppm), providing information about 10 parameters in one dip: Iron (Fe), Copper (Cu), Nitrate (NO3), Nitrite (NO2), Chlorine (Cl2), Total Hardness (GH), Total Alkalinity (TAL), Carbonate (KH), pH, and Salt.
$ 15.99
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Triton Labs ICP-OES Water Test- Full Panel of 32 Elements - Saltwater Reef Testing Kit
Testing Elements Include: Na, Ca, Mg, K, Sr, B, Br, S, Li, Be, Ba, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Al, Si, As, Sb, Sn, Cd, Se, Mo, Hg, P (PO4), Pb, I.
$ 51.95
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Monitor Nitrite Test KIT (200 Tests) - Monitor Aquarium and aquaculture Water Quality
Test nitrite (NO2) level in water
$ 12.90
free delivery
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Pawfly Aquarium pH Test Kit, Accurate Fish Tank pH Testing Kit
Essential pH Test Kit: Include a liquid reagent dropper bottle, test tube, and easy-to-read color chart for accurate aquarium pH testing. Monitor water conditions with ease and maintain proper pH levels to support healthy fish and other aquatic life
$ 11.99
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5% discount
Merydi Aquarium Test Strips 8 In 1, 150ct Aquarium Ammonia Test Strips for Saltwater Freshwater Aquariums,Pond Fish Tanks, Aquarium Test Kit-Test pH, Alkalinity,Nitrate,Ammonia and More
Aquarium Test Strips 8 way :This freshwater aquarium test kit with 8 tests for Free Chlorine, Nitrate, Nitrite, Hardness, Total Alkalinity, pH, Sodium Chlorine and Ammonia nitrogen. Convenient and mess-free testing method suitable for both beginner and experienced aquarists
$ 8.11
$ 8.54
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AUTOUTLET Refractometer Saltwater Aquarium for Seawater,Pool,Tank,Testing,Marine Fishkeeping, 0-100PPT & 1.000-1.070 Salinity Tester with ATC Function Hydrometer Specific Gravity Salinity Meter Kit
【AUTOUTLET Salinity Refractometer】This salinity tester is used to measure salinity of brine/seawater, monitor and control the concentration of saltwater. Ideal for aquariums and marine applications.
$ 16.99
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Safe Home® DIY Bacteria in Water Test Kit – Results as Fast as 6 Hours – Detects 50 Different Species of Coliform Bacteria – EPA Lab Certified – Made in the USA – (2 Pack)
THE ORGINAL DIY BACTERIA TEST KIT that is certified accurate by Good Housekeeping Labs, American Red Cross Labs, Underwriter Labs, and Merck Labs. Designed and developed by our EPA certified scientists. Made in the USA.
$ 26.99
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Pawfly 18 in 1 Drinking Water Test Kit, 125 Strips for Tap Water Well Swimming Pool Aquarium Spa, Home Water Quality Test Strips for pH Hardness Chlorine Lead Iron Copper Nitrate Fluoride & More
18 in 1 Water Test Kit: These water test strips are intended for testing 18 vital parameters in your drinking water, including pH, hardness, chlorine, lead, iron, carbonate, microorganisms, etc. Real-time detection to keep water clean and safe to drink or use.
$ 12.59
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Monitor Alkalinity Test KIT (120 Tests) - Monitor Aquarium and aquaculture Water Quality
Test the alkalinity level in water
$ 12.90
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VILLNO 9 in 1 Aquarium Test Strips, 120ct Fish Tank Water Testing Kit
【9-in-1 Aquarium Test Kit】: This aquarium test kit accurately measures 9 essential water parameters—Fe, Cu, Nitrate, Nitrite, Chlorine, GH, Alkalinity, Carbonate, and pH—helping you maintain a balanced and healthy aquatic environment.
$ 13.99
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Yiffer 12-in-1 Aquarium Test Strips with Ammonia,75 Strips
12‐in‐1 Multi‐Parameter Water Test – One Dip, Quick Results:Test 12 critical parameters simultaneously: pH, Carbonate, Total Alkalinity, Hardness, Sodium Chloride, Iron, Copper, Nitrate, Nitrite, Free Chlorine, Hydrogen Sulfide, and Ammonia Nitrogen. Get a clear overview of your aquarium’s water quality instantly – no need for multiple separate kits
$ 8.99
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17% discount
Aqueon Ammonia Aquarium Test Strips, Freshwater and Saltwater Aquariums, 50 Count
ALL-IN-ONE SOLUTION: Aqueon Ammonia Aquarium Test Strips keep your aquarium water crystal-clear and your pet fish safe.
$ 14.95
$ 17.99
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Digital Dissolved Oxygen Meter DO Tester with ATC, 9.84ft DO Probe Cable, Portable Dissolved Oxygen Test Kit for Aquarium, Ponds, Hydroponics, Fish Tank, Brewing, Water Quality, Range 0.0-40.0 mg/L
Portable DO Meter with Dual Display (mg/L & % Modes):This digital dissolved oxygen meter offers mg/L and % saturation modes for flexible measurement. Ideal dissolved oxygen tester for aquarium, fish tank, ponds, brewing, hydroponics, and water analysis. It accurately detects oxygen content in water (1 mg/L = 1 ppm), helping maintain optimal oxygen levels for aquatic life and fermentation. Suitable for koi ponds, aquaculture, wastewater treatment, and environmental testing.
$ 80.68
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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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Monitor pH 4.5-9.5 Test KIT (400 Tests) - Monitor Aquarium and aquaculture Water Quality
Test pH level in water
$ 9.99
free delivery
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5-in-1 Water Quality Multi-Parameter PH EC CF TDS (ppm) Temperature Test Meter Backlight, Wall-mountable Rechargeable Continuous Monitor Tester, Aquariums Hydroponics Pool Fish Tank Pond Drinking
Measure 5 parameters, continuously monitoring shows readings on its large-screen triple display with backlight. Powered by its rechargeable battery (installed in the main unit) or the power adapter included which supports a long period of monitoring.
$ 69.99
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Tetra EasyStrips 6-In-1 Aquarium Test Strips, Water Testing
COMPLETE TESTING: Regularly testing your water levels is critical to the success of your aquarium.
$ 32.97
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Aquarium Test Tube Compatible with API Freshwater Aquarium Test Kit Test Tube and Lid Holder for Drying and Stability During Testing
MULTI-PURPOSE STORAGE SOLUTION: This rack is to hold freshwater test kit tubes and lids upside down for drying while keeping them stable during testing
$ 24.99
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API STRESS ZYME Freshwater and Saltwater Aquarium Cleaning Solution 16-Ounce Bottle
Contains one (1) API STRESS ZYME Freshwater and Saltwater Aquarium Cleaning Solution 16-Ounce Bottle
$ 15.48
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API ACCU-CLEAR Freshwater Aquarium Water Clarifier 8-Ounce Bottle
Contains one (1) API ACCU-CLEAR Freshwater Aquarium Water Clarifier 8-Ounce Bottle
$ 9.48
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Aquarium Test Strips 11 in 1 | 150 Strips (100 x 10-in-1 + 50 Ammonia) | Tests pH, Ammonia, Nitrate, Nitrite & More | Freshwater & Saltwater Fish Tank Water Test Kit | 60-Second Results
COMPLETE 11-IN-1 WATER TESTING KIT — Get the full picture of your aquarium's health with two powerful strips in one kit. The 10-in-1 strips test pH (Freshwater & Saltwater), Total Alkalinity, Carbonate, Hardness, Free Chlorine, Nitrate, Nitrite, Copper, and Iron — while the dedicated Ammonia strips packed separately give you a precise standalone ammonia reading for maximum accuracy.
$ 16.99
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API POND WIDE RANGE pH TEST KIT 160-Test Pond Water Test Kit
Contains one (1) API POND WIDE RANGE pH TEST KIT 160-Test Pond Water Test Kit, including 1 bottle of testing solution, 1 color card and 1 test tube with cap
$ 9.48
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Novique CO2 Glass Drop Checker Aquatic CO2 Test Monitor Kit for Fish Tank Planted Aquarium with Solution & Suction Cups
【Novique Complete CO2 Monitor Kit】: Unstable or excessive CO2 is a hidden killer in fish tanks. By monitoring regularly, it effectively avoids risks of fish suffocation and algae bloom caused by fluctuations in CO2 concentration. Novique aquaium CO2 drop checker is visual CO2 monitoring, easy to operate, safe & durable, with complete accessories. It helps you to scientifically control and truly achieve freedom of maintenance with peace of mind while enjoying view.
$ 7.99
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Monitor Calcium/Magnesium Low Salinity (0-5 PPT) Test KIT (120 Tests) - Monitor Aquarium and aquaculture Water Quality
Test calcium (Ca) and magnesium (Mg) level in water. Suitable for freshwater and brackish water with the salinity between 0 - 5 part per thousand (ppt).
$ 18.90
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Seachem MultiTest: Silicate 75 Tests
75 test
$ 23.44
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API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count
Contains one (1) API REEF MASTER TEST KIT Reef Aquarium Water Test Kit 1-Count, including 7 bottle of testing solution, 2 color cards and 4 test tubes with cap
$ 35.99
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baixikly Hydrometer Saltwater Aquarium Salinity Tester for Saltwater Aquarium Hydrometer for Testing Salinity and Specific Gravity
【Material】The sea hydrometer is made of plastic, the structure is sturdy and resistant, not easy to be damaged, and has a long service life.
$ 7.59
free delivery
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7% discount
Detekt RV Freshwater Test Bacteria/Mold, Camper Water Filter Test (USA)
EASY, FAST, & SIMPLE: Get initial results under 5 minutes and visual growth results in 72 hours.
$ 25.99
$ 27.99
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Monitor Calcium/Magnesium HIGH Salinity (Salinity > 5 PPT) Test KIT (120 Tests) - Monitor Aquarium and aquaculture Water Quality
Test calcium (Ca) and magnesium (Mg) level in water. Suitable for brackish water and seawater with the salinity higher than 5 part per thousand (ppt).
$ 18.90
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5% discount
Boxtech Aquarium Hydrometer, Salinity Meter for Reef & Marine Tanks
Safe Material & Unique Design: Made of durable Acrylic, this Fish Tank Test Kit salinity Hydrometer is designed with an automatic level function
$ 9.49
$ 9.99
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Abnaok Salinity Tester, Sea Specific Gravity Test for Fish Tank Pond Water Saltwater Freshwater, Accurate Automatic Hydrometer
Safe Material:Made of plastic,aquarium clear Automatic Accurate Readable SaltWater Hydrometer.
$ 10.99
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API POND 5 IN 1 POND TEST STRIPS Pond Water Test Strips 25-Count
Contains one (1) API POND 5 IN 1 POND TEST STRIPS Pond Water Test Strips 25-Count
$ 14.98
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API TAP WATER CONDITIONER Aquarium Water Conditioner 16-Ounce Bottle
Contains one (1) API TAP WATER CONDITIONER Aquarium Water Conditioner 16-Ounce Bottle
$ 8.48
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API Copper Test KIT 90-Test Aquarium Water Test Kit
Contains one (1) API COPPER TEST KIT 90-Test Aquarium Water Test Kit, including 1 bottle of testing solution, 1 color card and 1 test tube with cap
$ 15.49
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Digital Salinity Tester Pool Saltwater Tester pH and Salt Meter
6 IN 1 Water Tester - Salinity tester: PPM+ PPT+%. 1. For Swimming Pool Slat Testing: 0-9,999ppm (TDS meter), 2. Seawater Test: 0-9,999ppm/10-200ppt, 3. For Food Testing: 0.01%-25%. 4. PH meter measuring 0.00-14pH, 5. EC Meter: 0-9,999us/cm (10-400ms/cm) for Irrigation & Planting, 6. Temperature Measuring 32-140°F
$ 34.99
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6% discount
GIDIGI Aquarium Salinity pH Meter,Digital Pool Salt Tester
5-In-1 Saltwater Aquarium Test Kit for Fish Lover: To raise fish, you must first raise water quality. It is very necessary to regularly test the water quality of the aquarium.GIDIGI fish tank tester can detect salinity, pH, EC, TDS and TEMP at one time, helping you to keep track of slight changes in water quality at any time and provide a stable growth environment for fish.Whether it is a saltwater/freshwater fish tank, pond or aquaculture, this tester is an excellent solution
$ 14.99
$ 15.99
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API High Range pH Test Kit 160-Test Freshwater and Saltwater Aquarium Water Kit
Contains one (1) API HIGH RANGE PH TEST KIT 160-Test Freshwater and Saltwater Aquarium Water Test Kit, including 1 bottle of testing solution, 1 color card and 1 test tube with cap
$ 9.47
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South Shore Retail - 200 Aquarium Test Strips - for Fish Tank or Pond - Lowest Price Per Strip On Amazon! - High Accuracy - Tests for Nitrate, Nitrite, PH, and Water Hardness - Aquarium Water Test Kit
Comprehensive 4-in-1 Aquarium Test Strips – Designed for accurate and reliable water testing, these strips measure the four essential parameters for maintaining a healthy aquarium: Nitrate, Nitrite, pH, and Water Hardness (does not test for ammonia). Unlike overly complex 7-in-1 or 9-in-1 test strips that measure unnecessary micronutrients, these strips focus on what truly matters for everyday fishkeeping. Unless you are an aquascaper, there’s no need for the extra complexity—these four key parameters are all you need to monitor water quality and keep your aquarium thriving. Ideal for both freshwater and saltwater tanks, they provide quick and easy results.
$ 24.99
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Semetall Salinity Tester Transparent Acrylic Aquarium Sea Hydrometer
【SPECIFICATION】The reading is temperature-corrected and accurate to +/-0.001. The unit of specific gravity is 1. 000-1. 030 (ppt value: 0-40 degrees), the safe area is 1.020-1.023 (ppt value: 27-31 degrees), and the low specific gravity area is 1.000-1.019 (ppt value: 0- 26 degrees), the higher specific gravity area is 1.024-1.030 (ppt value: 32-40 degrees)(Note: PPT value indicates salinity in the outer range of the scale)
$ 8.72
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Pawfly 21 in 1 Drinking Water Test Kit, 125 Strips for Tap Water Well Swimming Pool Aquarium Spa, Home Water Quality Test Strips for pH Hardness Chlorine Lead Iron Copper Nitrate Fluoride & More
21 in 1 Water Test Kit: These water test strips are intended for testing 21 vital parameters in your drinking water, including pH, hardness, chlorine, lead, iron, carbonate, microorganisms, etc. Real-time detection to keep water clean and safe for drinking or use.
$ 12.59
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Saltwater Meter Salinity Meter Digital Water Tester Hydrometer Ideal for Hydroponics Aquarium Fish Pond Aquaculture High Accuracy Pen Type Meter Specific Gravity(SG) Salinity and Temperature 3 in 1
No more one eye closed and put another eye on eyepiece. Easy use.
$ 20.99
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Hallocool Salinity Refractometer for Aquarium Seawater Marine Fishkeeping
MEASURES ON 2 SCALES - Aquarium Refractometer features specific gravity (D20/20) 1.000-1.070 and parts per thousand 0~100‰ , allow to get two results in different units by one test
$ 16.55
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AMTAST 7 in 1 Aquarium Test Strips 100Pcs Fish Tank Aquariums Water Test Kit Fast & Accurate Water Testing for pH, Nitrate, Nitrite, Hardness & More Aquarium Test Strips for Fish Tank (Model DF012)
7 Essential Tests in One Go – These aquarium test strips provide a complete water snapshot, simultaneously checking Carbonate, pH, Hardness, Total Chlorine, Free Chlorine, Nitrate, and Nitrite. Ensure every parameter is perfect for your aquatic pets' health.
$ 9.99
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16 in 1 Drinking Water Test Kit Water Tester for Drinking Water
1、Best Choice16 in 1 drinking water test kit detects total hardness, free chlorine, iron, total chlorine, tin, nitrite, zinc, copper, cobalt, nickel, sodium chloride, total alkalinity, pH, sulfate, nitrite, nitrate. Comprehensive water testing for drinking water, tap water, well water and aquarium.
$ 18.99
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AQUAVERITY 7-in-1 Pond Test Strips Accurate Pond Water Test Kit - 50 Strips
7-in-1 POND WATER TEST KIT FOR OPTIMAL POND HEALTH - Monitor your pond's water quality effortlessly with AQUAVERITY 7-in-1 Pond Test Strips. This versatile testing kit measures pH, nitrate, nitrite, carbonate, hardness, total chlorine, and free chlorine, providing full analysis in seconds. Ideal for koi ponds, garden ponds, and aquariums, it helps you maintain the perfect balance to ensure the well-being of your aquatic life. Whether you're a hobbyist or an experienced pond keeper, AQUAVERITY pond water testing strips deliver precise, reliable results every time.
$ 9.95
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Seachem Stability - 250ml/ 8.5 fl. oz.
TANK STABILIZATION: Seachem Stability will rapidly and safely establish the aquarium biofilter in freshwater and marine systems, thereby preventing the #1 cause of fish death: "new tank syndrome".
$ 8.82
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Hanna Instruments HI782-25 Marine Nitrate High Range Checker Reagents (25 Tests)
Pre-made reagents for ease of use
$ 39.99
free delivery
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Agamino Aquarium Test Kit Holder Compatible with API Freshwater Master Test Kit, Aquarium Water Testing Station & Organizer with 6 Test Tube Slots, 9 Bottle Storage, Color Chart Slot, Drying Rack
Keep Your Aquarium Testing Tools Organized: Designed to help organize your aquarium water testing routine, this holder features 6 dedicated tube slots and a rear storage compartment that accommodates up to 9 standard reagent bottles. Keep test tubes, bottles, and reference materials neatly arranged in one convenient location for easier access during testing.
$ 18.99
free delivery
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Seachem Ammonia Alert 1 Year Monitor (3 Pack)
Seachem sensor technology
$ 22.50
free delivery
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Fresh/Salt Carbonate Test Kit
Liquid test for fresh and saltwater
$ 33.85
free delivery
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Jungle Quick Dip Ammonia Test Strips, 25 Count
Ammonia Test - Results in 10 Seconds
$ 11.99
free delivery
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Monitor Calcium/Magnesium Test KIT for Coral & Reef (120 Tests)
Generic
$ 19.90
free delivery
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API PROPER pH 7.0 Freshwater Aquarium Water pH Stabilizer 8.8-Ounce Container
Contains one (1) API PROPER pH 7.0 Freshwater Aquarium Water pH Stabilizer 8.8-Ounce Container Use exclusively in freshwater aquariums that DO NOT contain live plants
$ 11.18
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Coralife Deep Six Hydrometer for Aquarium Fish Tank Salinity
TRACK SALINITY to keep your aquarium healthy and stable
$ 10.49
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Seachem pH Alert 6 Month
Continuously monitors pH in freshwater
$ 9.99
free delivery
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Salifert Magnesium (MG) Test Kit
The magnesium test kit effectively tests and provides a balanced magnesium aquarium
$ 19.61
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We have found a total of 154 Aquarium Water Test deals for you at amazon, Chewy.com, PetSmart, and other shops. The most popular brands are: API, Generic, and Pawfly. Today's offer is API Freshwater Master Test Kit 800-Test Freshwater Aquarium Water Kit, White, Single, Multi-Colored with 10% discount. The lowest price we found in our deals is $ 7.20 . The highest price in our price comparison is $ 229.80 . Currently, we have selected 8 reliable shops for you to buy Aquarium Water Test affordably.