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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. Tropic Marin Precision Hydrometer 11 1/2 Inches

    Tropic Marin Precision Hydrometer 11 1/2 Inches

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    Use the Tropic Marin Precision Hydrometer from Pet Store to accurately measure the density of your aquarium. This instrument can also be used to measure the specific gravity of liquids. Using this hydrometer will give you precis...
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    $34.47
  2. Tropic Marin Saltwater Kh Test Kit

    Tropic Marin Saltwater Kh Test Kit

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    For the determination of the carbonate hardness or the alkalinity in seawater. The carbonate hardness or alkalinity corresponds to the buffer capacity of the aquarium water and therefore determines the stability of the pH&#...
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    $10.09
  3. Tropic Marin Nitrate / Nitrite Test Kit

    Tropic Marin Nitrate / Nitrite Test Kit

    Tropic Marin Nitrite-/Nitrate Test For the determination of the nitrite and nitrate concentration in freshwater and seawater. Nitrite (NO2-) is the intermediate stage of the aerobic nitrification and is highly toxic for fish and...
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    $23.49
  4. 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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    $11.71

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