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Re: [APD] Calcium Carbonate question

Stuart Halliday wrote:
> Does added calcium carbonate use up oxygen and release carbon dioxide?

Other way around. It will grab a carbonate from carbonic acid to form 
CaHCO3 the way I understand it.

> I'll add more if you think its ok?


This is my tank after adding 1 tablespoon to 280 liters. Didn't seem to 
bother the fish at all.

Jerry Baker
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