API GH & KH Test Kit no fill clean and fill Designed for aquarium up to

Designed for aquarium up to 40 gallons

Dimensions: 13

Combined remote sensor for temperature and humidity

Tocopherol (Preservative)

API GH & KH Test Kit no fill clean and fill Designed for aquarium up toWhen 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! The kit includes 2 bottles of liquid reagent, 2 glass test tubes with snap tight caps, and step by step instructions. We recommend that you take a few minutes each week to monitor your