Liquid Gardens GH KH+ Remineralizer (250g)

GH KH+ Remineralizer will raise the general hardness and carbon hardness of the water and is intended for use with RO/DI water. It contains Magnesium Sulfate, Potassium Sulfate, and Calcium Sulfate in a 1:3:3 ratio.

Directions: 3 grams per 5 gallons increases Gh by 8 degrees and KH by 4 degrees