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Search Results for Aquarium Supplies > Water Testing
Aquarium Supplies

Water Test Kits

Using test kits to detect problematic water conditions is key to the sustainability of a healthy aquarium. For a fish-only tank, you should measure and monitor pH, alkalinity, ammonia, nitrite, and nitrate levels. In addition to these, you should also monitor the calcium, magnesium and strontium levels in a reef aquarium.
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Hanna Instruments Checker Colorimeter

Hanna Instruments Checker Colorimeter

The HANNA HI 711 Checker HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation...

From $49.99
Marine Depot Aquarium Refractometer

Marine Depot Aquarium Refractometer

The Refractometer is a must have for all hobbyists. The proper salinity is crucial for the survival and health of your fish and corals. This high quality refractometer is extremely accurate and easy to use and calibrate. Calibrat...

$49.99
Marine Depot Aquarium Pro Refractometer

Marine Depot Aquarium Pro Refractometer

Designed specifically for aquarium-use to measure the salinity of natural sea water (NSW). Most handheld saltwater refractometers available in the hobby are designed and calibrated for testing brine solution, i.e. sodium chloride,...

$64.99 $50.99
Hanna Instruments Checker pH Pen

Hanna Instruments Checker pH Pen

High accuracy with 0.01 pH resolution Two point fast and accurate calibration Usable with virtually any electrode that shares the same connector 3000 hours of battery life HI 1270 small diameter probe fitseasily into a ...

$39.99
Red Sea Magnesium Pro Test Kit - 100 Tests

Red Sea Magnesium Pro Test Kit - 100 Tests

Red Sea’s Magnesium Pro Test Kit is an advanced titration test, measuring the level of magnesium in your reef aquarium to an exceptionally high accuracy of 20 ppm. The Magnesium Pro Test test kit enables the accurate dosing of ...

$36.99
Red Sea Nitrate Pro Test Kit - 100 Tests

Red Sea Nitrate Pro Test Kit - 100 Tests

Red Sea’s Nitrate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of nitrate in your reef aquarium to an exceptionally high accuracy of 0.12ppm NO3. Nitrate Pro Test Kit , when used in conjunc...

$45.99
Red Sea Calcium/Ca Pro Test Kit - 75 tests

Red Sea Calcium/Ca Pro Test Kit - 75 tests

Red Sea’s Calcium Pro Test Kit is an advanced calcium titration test, measuring the level of calcium in your reef aquarium to an exceptionally high accuracy of 5 ppm. This test kit enables the accurate dosing of Red Sea’s Reef ...

$36.99
Red Sea Alkalinity Pro Test Kit - 75 Tests

Red Sea Alkalinity Pro Test Kit - 75 Tests

Red Sea’s KH/Alkalinity Pro Test Kit is an advanced titration test, measuring the level of buffers in your reef aquarium to an exceptionally high accuracy of 0.05 meq/l (0.14 dKH). Red Sea’s Alkalinity Pro test kit enables the ...

$36.99
Salifert Strontium Test Kit

Salifert Strontium Test Kit

With the Salifert Strontium Test Kit from Pet Store , it is now easy for you to find out the chemical components of your aquarium water . This is an affordable, do-it-yourself set that will make it easier for you to examine the ...

$40.49
Red Sea Iodine/I2 Pro Test Kit - 50 Tests

Red Sea Iodine/I2 Pro Test Kit - 50 Tests

Red Sea’s Iodine Pro Test Kit is a unique test, measuring the level of total iodine in your reef aquarium to a high accuracy of 0.01 ppm. Iodine Pro Test Kit enables the accurate dosing of Red Sea’s Coral Colors A Supplement (i...

$45.99
Seachem Laboratories Reef Status: Magnesium, Carbonate, Borate, Alkalinity Test Kit

Seachem Laboratories Reef Status: Magnesium, Carbonate, Borate, Alkalinity Test Kit

Test your reef tank's alkaline levels accurately through the Seachem Reef Status: Magnesium, Carbonate, Borate, Alkalinity Test Kit from Pet Store . This product is designed to check your reef aquarium's alkalinity and levels of ...

$35.99
HM Digital PH-80 Handheld Digital pH Meter

HM Digital PH-80 Handheld Digital pH Meter

The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Featur...

$49.99
Red Sea Potassium/K Pro Test Kit - 40 Tests

Red Sea Potassium/K Pro Test Kit - 40 Tests

Red Sea’s Potassium Pro Test Kit is a unique advanced titration test, measuring the level of potassium in your reef aquarium to a high accuracy of 3 ppm. The Potassium Pro test kit enables accurate dosing of Red Sea’s Coral Col...

$44.66
Red Sea Phosphate/PO4 Pro Test Kit - 100 Tests

Red Sea Phosphate/PO4 Pro Test Kit - 100 Tests

Red Sea’s Phosphate Pro Test Kit is an advanced colorimetric test with comparator, measuring the level of phosphate in your reef aquarium to an exceptionally high accuracy of 0.02ppm PO4. Phosphate Pro Test Kit, when used in co...

$45.99
Elos Professional Aqua Test Kit - Phosphate

Elos Professional Aqua Test Kit - Phosphate

Routine monitoring and checking of the presence of phosphate in your water are now simple with the use of a precision made Elos Professional Aqua Test Kit from Pet Store . This kit contains highly sensitive reagents that can easi...

$47.99
Seachem Laboratories Reef Status: Strontium Test Kit

Seachem Laboratories Reef Status: Strontium Test Kit

The Seachem Reef Status: Strontium Test Kit from Pet Store is a nifty and convenient product that can help you know the density of strontium presence in your aquarium. This trace element is very important for your marine pets an...

$45.99
HM Digital COM-80 HydroTester EC/TDS Meter

HM Digital COM-80 HydroTester EC/TDS Meter

EC/TDS/Temp Water Resistant Hydrotester The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, d...

$40.99
LaMotte Calcium Hardness Fresh and Salt Water Test Kit 3609

LaMotte Calcium Hardness Fresh and Salt Water Test Kit 3609

Direct reading Titrator for Calcium Hardness. Range is from 0-200 ppm for freshwater and 0-2580 ppm for saltwater. Color change is from red to blue. Approximately 50 tests. These kits are part of an ongoing effort by the LaM...

$52.49
Hanna Instruments pH Electrode Ultem Body, Dbl Junction, Gel Filled, Teflon Junction, BNC, 1m Cable

Hanna Instruments pH Electrode Ultem Body, Dbl Junction, Gel Filled, Teflon Junction, BNC, 1m Cable

Determining the pH level of your ponds and tanks is easy with the use of the Hanna Instruments Ph Electrode Ultem Body from Pet Store . The spare electrode device measures pH levels and is often used for the treatment of water, f...

$51.49
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