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API GH & KH General & Carbonate Hardness Test Kit
$10.99
Sale price
$10.99
Regular price
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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Cameron draws on 25+ years in the hobby and a marine biology background to help you choose the right fit for your system.