Calcium Hydroxide (Kalkwasser Powder)
Calcium Hydroxide is a proven standard for maintaining calcium concentration and alkalinity in closed marine aquaria. The calcium provided is directly used by calcifying organisms, and the hydroxide ions provided readily convert dissolved CO2 into bicarbonate and carbonate ions, which are also directly used by calcifying organisms. Our product is extremely pure and meets American Water Works Association and Water Chemical Codex requirements.
Customer Reviews
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Oct 8, 2005
great bang for your buck... claims to have good purity and i believe them for sure. nice white, pure powder that doesnt turn yellow like other pickling limes.. good stuff overall.