Kalkwasser is german for limewater. it is basicaly pickling lime power mixed into water and dripped slowly to increase calcium. kalk is not expensive and its a bit easier to open a can of it rather than driving out to a lake and getting limestone.
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Given sufficient thrust pigs will fly just fine.
90 Gallon LPS tank - Challice, Acans, Favia, Diplo and Zoos
125 Gallon SPS Coming Soon!
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