GH & KH Test Kit Unit – SUPPLIES

Original price was: $14.99.Current price is: $4.49.

SKU: SK0062195-US20260702-152340 Category: SUPPLIES

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When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat. The API GH & KH TEST KIT helps you duplicate the natural habitat of your fish to prevent stress, keeping them healthy!