Aquaforest, a brand synonymous with brightly coloured reef tanks. Carbonates are essential in the reef aquarium, maintain pH as well as working with Calcium for hard corals to build skeleton or for coralline algae to encrust. Recommended for use with Calcium to maintain proper balance. Dissolve 1.6g of kH buffer in 20ml of RODI water to make 20ml of kH buffer solution which will raise kH by 0.5 in 100l of tank water. Recommended not to exceed 20ml per 100l of tank water daily. Dosing should always be monitored closely with testkits.