Tests General Hardness & Carbonate Hardness of Water
This kit measaures both general hardness (GH), the measure of calcium and magnesium in water, and carbonate hardness (KH), the measure of carbonate and biocarbonate concentrations.
- 2 dropper bottles for accurate dispensing of test solutions.
- Easy-to-read instructions.
- Non-staining glass test tube with snap-tight cap.