General/Carbonate (GH & KH) Hardness Test Kit

When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat.

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Quantity: 2

The API® GH & KH TEST KIT helps you duplicate the natural habitat of your fish to prevent stress, keeping them healthy!

Contains 2 test bottles, easy-to-ready instructions, and glass test tubes

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