- Tests tap water & freshwater aquariums for general hardness (GH) and carbonate hardness (KH).
- Helps prevent fish stress caused by rapid pH shifts, the result of low levels of KH.
- Box of one test kit
$9.99Purchase this product and earn 100 Points
57 in stock
|Dimensions||2.75 × 1.625 × 5.125 in|
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