Two Little Fishies Kalkwasser is a pure source of Calcium Hydroxide that makes the ideal solution 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. 2 kg. This kalkwasser can be used with Two Little Fishies KW Reactor 300.
