API KH CARBONATE HARDNESS TEST KIT

The API® KH Test Kit tests freshwater or saltwater aquariums for carbonate hardness (KH), helps monitor water quality and prevent Disorders Invisible water that can be harmful to fish and plants.

Carbonate hardness stabilizes the pH of the aquarium, and can be used to determine the appropriate dosage of pH buffers.

Contains one test bottle, easy preparation instructions, glass test tube and color chart.