Kalkwasser - 11.4 kg

Kalkwasser Julian Sprung’s Reef Formula Calcium Supplement Mix. 

For replenishing calcium and maintaining alkalinity, for corals, clams, and calcareous algae that build skeletons of calcium carbonate. It also helps maintain pH, precipitates phosphates and enhances protein skimming. 1 lb jar and 4 lb bucket and 25 lb bucket also available.