Tank Test(344)
Uses item details. Price when purchased online
100+ bought since yesterday Tetra Waterclarifier Aquarium Water Treatment, Clears Cloudy Aquarium Water, 3.38 oz. From $5.32
Sponsored
From$532
Tetra Waterclarifier Aquarium Water Treatment, Clears Cloudy Aquarium Water, 3.38 oz.
5084.5 out of 5 Stars. 508 reviews
Save with
Tetra AquaSafe Fish Tank Aquarium Water Conditioner, 8.45-Ounce From $9.32
Sponsored
From$932
Tetra AquaSafe Fish Tank Aquarium Water Conditioner, 8.45-Ounce
4744.8 out of 5 Stars. 474 reviews
Save with
MERYDI 8 Way Aquarium Water Test Strips, 150 Strips for Saltwater Freshwater Aquariums, Pond and Fish Tanks Testing pH Ammonia Hardness $8.99 Was $9.99
Sponsored
Now$899
current price Now $8.99, Was $9.99$9.99
MERYDI 8 Way Aquarium Water Test Strips, 150 Strips for Saltwater Freshwater Aquariums, Pond and Fish Tanks Testing pH Ammonia Hardness
25 out of 5 Stars. 2 reviews
Save with
EASYTEST 6 in 1 Aquarium Test Strips for Freshwater and Saltwater,150 Water Testing Strips for Fish Tanks, Ponds & Saltwater Tanks | Quick pH, Nitrate, Nitrite, Chlorine, Carbonate, Hardness From $10.99
Sponsored
From$1099
EASYTEST 6 in 1 Aquarium Test Strips for Freshwater and Saltwater,150 Water Testing Strips for Fish Tanks, Ponds & Saltwater Tanks | Quick pH, Nitrate, Nitrite, Chlorine, Carbonate, Hardness
184.8 out of 5 Stars. 18 reviews
Save with
Best seller Tetra 5-in-1 EasyStrips Accurate Aquarium Test Kit, for Freshwater and Saltwater, 25 Count From $13.24
4 options
Available in additional 4 optionsFrom$1324
Tetra 5-in-1 EasyStrips Accurate Aquarium Test Kit, for Freshwater and Saltwater, 25 Count
1674.5 out of 5 Stars. 167 reviews
Save with
Best seller Sixwipe 7 in 1 Aquarium Test Strips, 100 Strips Fish Tank Test Kit, Pool Test Strips, Freshwater Saltwater Aquarium Water Test Kit to Detect, Alkalinity, Nitrite, Nitrate, Chlorine $9.10
$910
current price $9.10Sixwipe 7 in 1 Aquarium Test Strips, 100 Strips Fish Tank Test Kit, Pool Test Strips, Freshwater Saltwater Aquarium Water Test Kit to Detect, Alkalinity, Nitrite, Nitrate, Chlorine
534.5 out of 5 Stars. 53 reviews
Save with
MERYDI 8 Way Aquarium Water Test Strips, 150 Strips for Saltwater Freshwater Aquariums, Pond and Fish Tanks Testing pH Ammonia Hardness $8.99 Was $9.99
Now$899
current price Now $8.99, Was $9.99$9.99
MERYDI 8 Way Aquarium Water Test Strips, 150 Strips for Saltwater Freshwater Aquariums, Pond and Fish Tanks Testing pH Ammonia Hardness
25 out of 5 Stars. 2 reviews
Save with
API Freshwater Master Test Kit, Aquarium Water 850 Test Kit $38.49
$3849
current price $38.49API Freshwater Master Test Kit, Aquarium Water 850 Test Kit
944.8 out of 5 Stars. 94 reviews
Hvxrjkn 100Pcs Aquarium Test Strips 9 in 1 Fish Tank Test Kit with Test Tube Fast Aquarium Water Testing Strips for Iron Copper Nitrate Nitrite Free Chlorine Hardness Carbonate pH
Hvxrjkn 100Pcs Aquarium Test Strips 9 in 1 Fish Tank Test Kit with Test Tube Fast Aquarium Water Testing Strips for Iron Copper Nitrate Nitrite Free Chlorine Hardness Carbonate pH
105 out of 5 Stars. 10 reviews
Save with
SEAOURA 9-in-1 Aquarium Test Kit - 65 Strips for Fish Tanks & Ponds, Tests pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity, Iron, Copper, Carbonate - Accurate & Fast Water Testing Strips From $9.89
2 options
Available in additional 2 optionsFrom$989
SEAOURA 9-in-1 Aquarium Test Kit - 65 Strips for Fish Tanks & Ponds, Tests pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity, Iron, Copper, Carbonate - Accurate & Fast Water Testing Strips
14 out of 5 Stars. 1 reviews
SEAOURA 9-in-1 Aquarium Test Kit - 65 Strips for Fish Tanks & Ponds, Tests pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity, Iron, Copper, Carbonate - Accurate & Fast Water Testing Strips From $9.89
Sponsored
From$989
SEAOURA 9-in-1 Aquarium Test Kit - 65 Strips for Fish Tanks & Ponds, Tests pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity, Iron, Copper, Carbonate - Accurate & Fast Water Testing Strips
14 out of 5 Stars. 1 reviews
SEAOURA 7-in-1 Aquarium Test Kit - 65 Strips for Fish Tanks & Ponds, Tests pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity, Carbonate - Accurate & Fast Water Testing Strips From $8.99
Sponsored
From$899
SEAOURA 7-in-1 Aquarium Test Kit - 65 Strips for Fish Tanks & Ponds, Tests pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity, Carbonate - Accurate & Fast Water Testing Strips
13 out of 5 Stars. 1 reviews
Aquarian By API Aquarium Starter Test Kit 300 ct Box $19.98
$1998
current price $19.98Aquarian By API Aquarium Starter Test Kit 300 ct Box
45 out of 5 Stars. 4 reviews
Save with
Jungle Quick Dip Ammonia Test Kit, Aquarium Test Strips, 25 Count From $13.99
4 options
Available in additional 4 optionsFrom$1399
Jungle Quick Dip Ammonia Test Kit, Aquarium Test Strips, 25 Count
403.4 out of 5 Stars. 40 reviews
FRESHWATER PH TEST KIT $7.98 Was $9.98
Now$798
current price Now $7.98, Was $9.98$9.98
FRESHWATER PH TEST KIT
174.4 out of 5 Stars. 17 reviews
Save with
Clearance Btomtd Fish Tank Test Strips,Ammonia Test Strips For Fish Tank,Conductivity Detector Household Water Quality Testing Pen Household Swimming Pool And Fish Tank Water Quality Testing Pen $6.14 Was $7.66
Now$614
current price Now $6.14, Was $7.66$7.66
Btomtd Fish Tank Test Strips,Ammonia Test Strips For Fish Tank,Conductivity Detector Household Water Quality Testing Pen Household Swimming Pool And Fish Tank Water Quality Testing Pen
Tetra EasyStrips 25 Count, Complete Aquarium Test Strips, Water Testing $9.99 40.0 ¢/count
$999
current price $9.9940.0 ¢/count
Tetra EasyStrips 25 Count, Complete Aquarium Test Strips, Water Testing
153.4 out of 5 Stars. 15 reviews
Save with
Fluval Master Test Kit for Aquarium Water, Freshwater & Saltwater Fish Tank Test Master Kit $35.99
$3599
current price $35.99Fluval Master Test Kit for Aquarium Water, Freshwater & Saltwater Fish Tank Test Master Kit
Tetra EasyStrips 6-in-1 Aquarium Test Strips, Water Testing $13.83 34.8 ¢/ea
$1383
current price $13.8334.8 ¢/ea
Tetra EasyStrips 6-in-1 Aquarium Test Strips, Water Testing
643.4 out of 5 Stars. 64 reviews
Save with
Aquarium Fish Tank Water 6 In 1 Test Paper Neutral Packaging 50 Selling Aquarium Test Strips $10.99
$1099
current price $10.99Aquarium Fish Tank Water 6 In 1 Test Paper Neutral Packaging 50 Selling Aquarium Test Strips
Aquarium Pharmaceuticals pH Test and Adjuster Kit for Freshwater Aquariums
Aquarium Pharmaceuticals pH Test and Adjuster Kit for Freshwater Aquariums
124.8 out of 5 Stars. 12 reviews
Save with
Clearance Aquarium Fish Tank Aquaculture Ammonia Nitrogen Test Paper K29C T0E0 From $14.39
2 options
Available in additional 2 optionsFrom$1439
Aquarium Fish Tank Aquaculture Ammonia Nitrogen Test Paper K29C T0E0
Clearance Up to 50% Off, Dvkptbk PH Tester Tropical Aquarium Cold Water Fish Tank Testing Kit 80 TEST STRIPS $2.67 Was $6.99
Now$267
current price Now $2.67, Was $6.99$6.99
Up to 50% Off, Dvkptbk PH Tester Tropical Aquarium Cold Water Fish Tank Testing Kit 80 TEST STRIPS
11 out of 5 Stars. 1 reviews
Professional Aquarium Test Kit 7 Parameters In 1 Monitor Water For Fish Tank & Pond Test Ph Kh Gh No3 Bromine & More Was $14.65
Professional Aquarium Test Kit 7 Parameters In 1 Monitor Water For Fish Tank & Pond Test Ph Kh Gh No3 Bromine & More
EASYTEST Aquarium Test Strips, 50 Strips Fish Tank Test Kit, ammonia Test Strips, Freshwater Saltwater Aquarium Water Test Kit From $10.99
2 options
Available in additional 2 optionsFrom$1099
EASYTEST Aquarium Test Strips, 50 Strips Fish Tank Test Kit, ammonia Test Strips, Freshwater Saltwater Aquarium Water Test Kit
184.8 out of 5 Stars. 18 reviews
Save with
SSZMDLB under $5 Aquarium PH Test Strips, Aquarium PH Test Strips, 80 Pack Water Testing Kit, For Freshwater, Saltwater Fish Tank, Pond, Monitors Water Quality, Accurate, Easy Read, Fish Care
SSZMDLB under $5 Aquarium PH Test Strips, Aquarium PH Test Strips, 80 Pack Water Testing Kit, For Freshwater, Saltwater Fish Tank, Pond, Monitors Water Quality, Accurate, Easy Read, Fish Care
5 IN 1 TEST STRIPS, 25 COUNT $12.98 Was $15.69
Now$1298
current price Now $12.98, Was $15.69$15.69
5 IN 1 TEST STRIPS, 25 COUNT
114 out of 5 Stars. 11 reviews
Save with
API Ammonia Test Kit
API Ammonia Test Kit
134.2 out of 5 Stars. 13 reviews
API Saltwater Master Test Kit, Aquarium Water Test Kit, 550 Tests
API Saltwater Master Test Kit, Aquarium Water Test Kit, 550 Tests
65 out of 5 Stars. 6 reviews
OFFIGAM 1Set Fish Tank Water Testing Kit with Waterproof Feature ABS Black $9.13
$913
current price $9.13OFFIGAM 1Set Fish Tank Water Testing Kit with Waterproof Feature ABS Black
BUTORY Aquarium Test Strips 5/6/7 in 1 Fish Tank Test Kit Freshwater Saltwater Aquarium pH Test Strips for Nitrate Nitrite Free Chlorine Carbonate From $7.82
3 options
Available in additional 3 optionsFrom$782
BUTORY Aquarium Test Strips 5/6/7 in 1 Fish Tank Test Kit Freshwater Saltwater Aquarium pH Test Strips for Nitrate Nitrite Free Chlorine Carbonate
15 out of 5 Stars. 1 reviews
API Nitrite Test Kit, Freshwater and Saltwater Aquarium Test Kit, 180 Tests $12.98
$1298
current price $12.98API Nitrite Test Kit, Freshwater and Saltwater Aquarium Test Kit, 180 Tests
24.5 out of 5 Stars. 2 reviews
TET EASYSTRIPS AMMONIA TEST 10/100 CT $15.97 16.0 ¢/count
$1597
current price $15.9716.0 ¢/count
TET EASYSTRIPS AMMONIA TEST 10/100 CT
44.3 out of 5 Stars. 4 reviews
Save with
NOVELAR Water Quality Test Strips for Aquariums, 50 Strips, Dip & Read Ammonia Levels, Keep Your Fish Safe in Home Aquariums $11.82
$1182
current price $11.82NOVELAR Water Quality Test Strips for Aquariums, 50 Strips, Dip & Read Ammonia Levels, Keep Your Fish Safe in Home Aquariums
Aquarium Test Kit for Accurate of CO2 Levels in Fish Tanks $13.32 Was $15.41
Now$1332
current price Now $13.32, Was $15.41$15.41
Aquarium Test Kit for Accurate of CO2 Levels in Fish Tanks
PH Tester Tropical Aquarium Cold Water Fish Tank Testing Kit 80 TEST STRIPS
PH Tester Tropical Aquarium Cold Water Fish Tank Testing Kit 80 TEST STRIPS
Red Sea Marine Care Multi Test Kit for Marine and Reef Aquariums $79.99
$7999
current price $79.99Red Sea Marine Care Multi Test Kit for Marine and Reef Aquariums
AAwipes Ammonia Test Strips for Fish Tank Aquarium Test Strips Aquarium Water Test Kit Freshwater Fish Tank (150)
3 options
Available in additional 3 optionsAAwipes Ammonia Test Strips for Fish Tank Aquarium Test Strips Aquarium Water Test Kit Freshwater Fish Tank (150)
14 out of 5 Stars. 1 reviews
GENERAL/CARBONATE HARDNESS KIT $11.84
$1184
current price $11.84GENERAL/CARBONATE HARDNESS KIT
74.6 out of 5 Stars. 7 reviews
Save with
HPDL Aquarium Fish Tank Aquaculture Ammonia Nitrogen Test Paper
HPDL Aquarium Fish Tank Aquaculture Ammonia Nitrogen Test Paper
7 in 1 PH Test Fish Tank Water Tropical Aquarium Pond Water Test Strips Kit NEW From $10.99
2 options
Available in additional 2 optionsFrom$1099
7 in 1 PH Test Fish Tank Water Tropical Aquarium Pond Water Test Strips Kit NEW
Salifert Calcium Aquarium Test Kit $20.59
$2059
current price $20.59Salifert Calcium Aquarium Test Kit
API High Range pH Test Kit, Aquarium Water Test Kit, 1-Count $9.49
$949
current price $9.49API High Range pH Test Kit, Aquarium Water Test Kit, 1-Count
54 out of 5 Stars. 5 reviews
Save with
API Copper Test Kit, Aquarium Water Test Kit, 1-Count
API Copper Test Kit, Aquarium Water Test Kit, 1-Count
BUTORY 6/7 in 1 Fish Tank Test Kit Freshwater Saltwater Aquarium Water pH Test Strips for Total Hardness Nitrate Nitrite Free Chlo
BUTORY 6/7 in 1 Fish Tank Test Kit Freshwater Saltwater Aquarium Water pH Test Strips for Total Hardness Nitrate Nitrite Free Chlo
API Carbonate Hardness Test Kit, Aquarium Water Test Kit, 1-Count $9.00
$900
current price $9.00API Carbonate Hardness Test Kit, Aquarium Water Test Kit, 1-Count
Save with
Other options to consider(62)
Popular in Tank Test
Related Products
Baluue 8pcs Temperature Crystal Temperature Monitoring Aquarium Use
Baluue 8pcs Temperature Crystal Temperature Monitoring Aquarium Use$8.66current price $8.66API 5 in 1 Aquarium Test Strips with - 4 Strips
API 5 in 1 Aquarium Test Strips with - 4 Strips$11.80current price $11.80Evjurcn 100Pcs Aquarium Test Strips 7 in 1 Fish Tank Test Kit with Test Tube Aquarium Water Testing Strips for Carbonate Root pH Hardness Total Chlorine Free Chlorine Nitrate Nitrite
Evjurcn 100Pcs Aquarium Test Strips 7 in 1 Fish Tank Test Kit with Test Tube Aquarium Water Testing Strips for Carbonate Root pH Hardness Total Chlorine Free Chlorine Nitrate Nitrite$9.12current price $9.12API pH Test Kit for Freshwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count
![API pH Test Kit for Freshwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count](https://i5.walmartimages.com/seo/API-pH-Test-Kit-for-Freshwater-Aquariums-Aquarium-Water-Test-Kits-Aquarium-Supplies-1-count_727db3ac-ebdf-40a8-99a1-3a08a40a1cce.e2496e65161c6032a04b6735e19e4782.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
API pH Test Kit for Freshwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count$19.25current price $19.25Evjurcn Pack of 100 Aquarium Test Strips Freshwater and Saltwater Aquarium Test Strips Fish Tank Test Kit Testing pH Alkalinity Nitrite Nitrate Chlorine Carbonate Hardness
Evjurcn Pack of 100 Aquarium Test Strips Freshwater and Saltwater Aquarium Test Strips Fish Tank Test Kit Testing pH Alkalinity Nitrite Nitrate Chlorine Carbonate Hardness$9.00current price $9.00API High Range pH Test Kit for Goldfish, Marine and African Cichlids [Aquarium Water Test Kits, Aquarium Supplies] 1 count
![API High Range pH Test Kit for Goldfish, Marine and African Cichlids [Aquarium Water Test Kits, Aquarium Supplies] 1 count](https://i5.walmartimages.com/seo/API-High-Range-pH-Test-Kit-for-Goldfish-Marine-and-African-Cichlids-Aquarium-Water-Test-Kits-Aquarium-Supplies-1-count_bb55ef83-e50e-493d-82bd-af427d4690c3.b91a1ac10623dcb8bf8837324d6b85a6.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
API High Range pH Test Kit for Goldfish, Marine and African Cichlids [Aquarium Water Test Kits, Aquarium Supplies] 1 count$15.94current price $15.94Seachem pH Alert for Freshwater [Aquarium, FW & SW Testing & Reagents] pH Test Kit (Lasts 3-6 Months)
![Seachem pH Alert for Freshwater [Aquarium, FW & SW Testing & Reagents] pH Test Kit (Lasts 3-6 Months)](https://i5.walmartimages.com/seo/Seachem-pH-Alert-for-Freshwater-Aquarium-FW-SW-Testing-Reagents-pH-Test-Kit-Lasts-3-6-Months_64dc1ee5-7660-4a61-9443-d443995ce4fe.243f92f0e14e9d0605b30ad17363fc24.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Seachem pH Alert for Freshwater [Aquarium, FW & SW Testing & Reagents] pH Test Kit (Lasts 3-6 Months)$17.66current price $17.66API Proper pH Sets and Stabilizes Freshwater Aquariums [Aquarium pH Treatments, Aquarium Supplies] pH 7.5 - 5 count
![API Proper pH Sets and Stabilizes Freshwater Aquariums [Aquarium pH Treatments, Aquarium Supplies] pH 7.5 - 5 count](https://i5.walmartimages.com/seo/API-Proper-pH-Sets-and-Stabilizes-Freshwater-Aquariums-Aquarium-pH-Treatments-Aquarium-Supplies-pH-7-5-5-count_6515c935-d0ca-4e04-b9bc-a6783dd6cb55.64deba88cc3cc29a82e566184715bb8c.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
API Proper pH Sets and Stabilizes Freshwater Aquariums [Aquarium pH Treatments, Aquarium Supplies] pH 7.5 - 5 count$96.41current price $96.41WRITWAA Heavy Metal Test Water Quality Testing Tools Multi Paper 10pcs
WRITWAA Heavy Metal Test Water Quality Testing Tools Multi Paper 10pcs$8.50current price $8.50API GH & KH TEST KIT Freshwater Aquarium Water Test Kit
API GH & KH TEST KIT Freshwater Aquarium Water Test Kit$20.99current price $20.99Raindrops 16 .2x2.9cm Total Dissolved Solids Measurement Pool Test Strips Aquarium Kit Yellow
Raindrops 16 .2x2.9cm Total Dissolved Solids Measurement Pool Test Strips Aquarium Kit Yellow$9.47current price $9.47API Pond Liquid Wide Range pH Test Kit
API Pond Liquid Wide Range pH Test Kit$14.98current price $14.98API Nitrite NO2 Test Kit Helps Prevent Fish Loss in Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count
![API Nitrite NO2 Test Kit Helps Prevent Fish Loss in Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count](https://i5.walmartimages.com/seo/API-Nitrite-NO2-Test-Kit-Helps-Prevent-Fish-Loss-in-Freshwater-and-Saltwater-Aquariums-Aquarium-Water-Test-Kits-Aquarium-Supplies-1-count_076cc492-f5c5-4d79-afb8-a4746468d5ac.9023e8e5aaaa92d598306222ff58929a.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
API Nitrite NO2 Test Kit Helps Prevent Fish Loss in Freshwater and Saltwater Aquariums [Aquarium Water Test Kits, Aquarium Supplies] 1 count$22.51current price $22.51YROHGKPN PH Solution 15ml/0.5oz Use with CO2 Indicator for Planted Fish for Tank Aquarium
YROHGKPN PH Solution 15ml/0.5oz Use with CO2 Indicator for Planted Fish for Tank Aquarium$7.91current price $7.91
