I may have not written that correctly. It is common knowledge that calcium reactors produce PO4 but maybe precipitate is not the correct word. As I stated, you can soak PO4 out of coral bones, so I am not sure that it is entirely dependent on CO2.
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Jonathan--DIBS Breeder and Card carrying member of the Square Skimmer Brigade
(Click on the Red House to see my pics garage)
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