API Carbonate ( KH ) Freshwater & Saltwater Hardness Test Kit
Product Overview
Tests tap water fresh or saltwater aquariums for carbonate hardness (KH).
Can be used to determine the proper dose of pH buffers.
API has been the leading company in research and development for treatments and advances in aquarium fish care for over 50 years! Check out our selection below and see why they are one of our favorite brands.