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Water Testing Kits and Instruments

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142 products

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142 products

142 products

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Aquarium Co-Op Multi-Test Strips bottle, 6-in-1 freshwater aquarium test strips for pH, KH, GH, nitrate, nitrite and chlorine
Aquarium Co-Op Multi-Test Strips
From $10.99 USD
In-Store Only
Squeaky's Digital Thermometer - LCD aquarium temperature display with external probe
Squeaky's Digital Thermometer
$5.99 USD
Hanna Instruments 772-26 – DKH Alkalinity Reagent Refill – Checker® HC - Squeaky's Aquatics Hanna Instruments 772-26 – DKH Alkalinity Reagent Refill – Checker® HC - Squeaky's Aquatics
Hanna Instruments 772-26 / HI772-26 – DKH Alk...
$18.99 USD
Fritz Alkalinity (KH) Test Kit - liquid dKH titration test for freshwater and saltwater aquariums
Fritz Alkalinity (KH) Test Kit
$11.24 USD
Aquatop Smart-Temp digital aquarium thermometer with magnet mount
Aquatop Smart-Temp Digital Thermometer
$6.99 USD
Fritz General Hardness (GH) Test Kit - liquid drop-titration GH test for freshwater aquariums
Fritz General Hardness (GH) Test Kit | Liquid...
$11.24 USD
Hanna Instruments HI782-25 / 782-25 | Marine Nitrate High Range Checker Reagents (25 Tests) | Aquarium Testing
Hanna Instruments HI782-25 / 782-25 | Marine ...
$26.99 USD
Simplicity 3-in-1 New Tank Rapid Test strips bottle Simplicity 3-in-1 New Tank Rapid Test retail box
Simplicity 3-in-1 New Tank Rapid Test
$17.95 USD
Fritz 6-in-1 aquarium test strips - 100-count bottle for pH, GH, KH, nitrite, nitrate, and chlorine
Fritz 6-in-1 Test Strips | 100-Count Aquarium...
$15.99 USD
Seachem Ammonia Alert card, a continuous freshwater and marine ammonia monitor that lasts one year
Seachem Ammonia Alert
$8.26 USD
Hanna Instruments HI711-25 / 711-25 | Total Chlorine Checker Reagents (25 Tests) | Aquarium Testing
Hanna Instruments HI711-25 / 711-25 | Total C...
$18.99 USD
Hanna Instruments 774 – Phosphate Ultra Low Range Colorimeter – Checker® HC - Squeaky's Aquatics Hanna Instruments 774 – Phosphate Ultra Low Range Colorimeter – Checker® HC - Squeaky's Aquatics
Hanna Instruments HI774 / 774 – Phosphate Ult...
$74.99 USD
Sale
Hanna Instruments 755-26 – Marine Alkalinity Reagent Refill – Checker® HC - Squeaky's Aquatics Hanna Instruments 755-26 – Marine Alkalinity Reagent Refill – Checker® HC - Squeaky's Aquatics
Hanna Instruments 755-26 – Marine Alkalinity ...
$18.99 USD
$13.49 USD
Fritz Calcium Test Kit
Fritz Calcium Test Kit
$12.74 USD
Saltwater refractometer kit with hard case - measures salinity and specific gravity for reef and marine aquariums, includes droppers and screwdriver
Saltwater Refractometer with Hard Case | ATC ...
$29.99 USD
Salifert Magnesium Aquarium Test Kit Salifert Magnesium Aquarium Test Kit
Salifert Magnesium Aquarium Test Kit
$21.99 USD
Hanna Instruments HI761-25 / 761-25 | Total Chlorine Ultra Low Range Checker Reagents (25 Tests) | Aquarium Testing
Hanna Instruments HI761-25 / 761-25 | Total C...
$14.99 USD
Sale
Hanna Instruments HI775-26 / 775-26 – Freshwater Alkalinity Checker® HC Reagents (25 Tests)
Hanna Instruments HI775-26 / 775-26 – Freshwa...
$32.99 USD
$24.49 USD
Hanna Instruments HI775 / 775 – Freshwater Alkalinity (dKH) Colorimeter – Checker® HC Hanna Instruments HI775 / 775 – Freshwater Alkalinity (dKH) Colorimeter – Checker® HC
Hanna Instruments HI775 / 775 – Freshwater Al...
$67.99 USD
Hanna Instruments 735 / HI735 | Total Hardness Low Range Colorimeter – Freshwater GH | Handheld Checker Hanna Instruments 735 / HI735 | Total Hardness Low Range Colorimeter – Freshwater GH | Handheld Checker
Hanna Instruments 735 / HI735 | Total Hardnes...
$74.99 USD

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