Aquarium Pharm.

API GH/KH Freshwater Test Kit

100% of 100
$ 13.05
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Cost effective kit to determine your hardness levels in 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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