GH & KH General & Carbonate Hardness Test Kit – Freshwater
Tests tap water and freshwater aquariums for general hardness (GH) and carbonate hardness (KH). Helps detect stress on fish caused by rapid pH shifts, which result from low KH levels and helps aquarists duplicate the natural habitat of their fish.
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NOW SHIPPING LIVESTOCK AND PLANTS YEAR-LONG
We now ship dry goods and livestock all year! If shipping livestock, your Styrofoam box and heat pack are automatically added to your cart for +$25.