API GH KH HARDNESS pack Very quiet

Very quiet

It provides a stationary zone where fish can return repeatedly to feed

and stylish

Fastening by means of robust suction cups

Non-toxic filter media lasts several months in typical aquariums

API GH KH HARDNESS pack Very quietThe 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 aquarium conditions and create a better