API – KH Test Kit
In the box of the API – KH Test Kit, the more of the drops you will use per test.
The API® KH TEST KIT tests fresh or saltwater aquariums for carbonate hardness (KH), and helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants. Carbonate hardness stabilizes aquarium pH, and can be used to determine the proper dose of pH buffers.
Contains 1 test bottle, easy-to-ready instructions, glass test tube and color chart.
Have a look at our other API products.
McMerwe Review: Not only is this one of the most economical test kits, its really accurate. [Rating 5/5]