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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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  1. Hanna Instruments Checker Total Chlorine Colorimeter

    Hanna Instruments Checker Colorimeter

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    Easier to use and more accurate than chemical test kits EPA approved DPD method Accuracy ±0.03 ppm (mg/L) ±3% of reading 0.01 ppm (mg/L) resolution (250 points) Large, easy to read digits Auto shut-off. Dedicated to a single ...
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    $49.99
  2. Hanna Instruments Waterproof pH Tester with Replaceable Electrode w/ Accuracy ±0.1 pH

    Hanna Instruments Waterproof pH Tester with Replaceable Electrode

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    When HANNA instruments introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep`s ease-of-use in combination with its affordability made it possible...
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    $88.99
  3. Hagen Living Sea Floating Hydrometer with Thermometer, C & F, small, 8 inch

    Hagen Living Sea Floating Hydrometer with Thermometer, C & F

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    Are you worried that the salinity level in your saltwater aquarium is not kept at a constant level? A fluctuating salinity level is bad news to the organisms living in your tank. Water evaporation which occurs in your aquarium eve...
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    $7.99
  4. Captive Purity Refractometer

    Captive Purity Refractometer

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    The Captive Purity Refractometer is an incredibly accurate and easy to use device that eliminates the confusion associated with inexpensive hydrometers. Just place a couple of drops of water on the prism and hold to the light. Rea...
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    $59.99
  5. Tropic Marin Saltwater pH Test Kit

    Tropic Marin Saltwater pH Test Kit

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    For the determination of the pH- value in seawater. Many organisms show an extremely sensitive reaction to fluctuations of the pH-value. With this test, the pH-value can be determined fast and accurately...
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    $12.29
  6. SpectraPure® Chlorine Test Kit With 10 Tablets

    SpectraPure® Chlorine Test Kit With 10 Tablets

    Are you worried that the chlorine levels in your aquarium are getting too unhealthy for your fish? If you use tap water to fill up your aquarium, you should know that you're also putting in it. Chlorine is put in tap water to make...
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    $6.49
  7. 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 ...
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    $40.49
  8. Salifert Silicate Test Kit

    Salifert Silicate Test Kit

    Salifert Silicate Profi-Test Silicate occurs in tap water or purified water when the reverse osmosis or de ionizing unit is not functioning properly. Silicate can result in diatom bloom and can block some essential trac...
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    $21.90
  9. Salifert pH Test Kit

    Salifert pH Test Kit

    Monitoring your aquarium water's pH level is more convenient with the use of Salifer pH Test Kit from Pet Store . This kit contains 50 tests that allow you to accurately measure the pH levels of the water in your marine aquarium....
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    $13.75
  10. Salifert Phosphate Test Kit

    Salifert Phosphate Test Kit

    Salifert Phosphate Profi-Test If phosphate is present in too high a concentration there may be an increase in growth of undesirable algae and if the phosphate level is higher than 0.04 mg/L the growth rate of corals and ca...
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    $21.99

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