Api Gh/kh Hardness Test Kit redsea Activated carbon should be removed

Activated carbon should be removed from filtration system for the duration of treatment

it will never redissolve

Range: 0–3

Mineral Composition

Api Gh/kh Hardness Test Kit redsea Activated carbon should be removedDescription 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! Contents API GH KH Test Kit Contains 2 test bottles, easy to ready instructions. *No colour chart is included on the GH KH test kit. This is because you add drops till you