Sell API KH Carbonate Hardness Test Kit best price

Carbonate Hardness (KH) helps stabilise pH in the aquarium. Water with low KH is susceptible to rapid pH shifts, greatly stressing fish and increasing risk of disease. Use this kit to easily and accurately measure KH. Tests tap water, fresh or salt water aquariums for carbonate hardness (KH). Can be used to determine the proper dose of pH buffers. This easy to use test kit includes: 1 test bottle with child-safety cap 1 glass test tubes with snap tight cap Instruction booklet