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Douglas C. Gordon

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I was looking at some chemicals the other day and saw these 2 ingredients. Can they be used safely to adjust the Ca level? I have never heard of anyone using them.

Thanks,

DCG :roll:
 

randy holmes-farley

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Arlington, MA
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Calcium sulfate should probably not be used for routine calcium maintenance, IMO. Ocassional use is fine, but not for all calcium supplementatiuon unless the tank has a very low demand for calcium, because sulfate will steadily rise.

FWIW, most salt mixes seem a little low on sulfate anyway, so some use may even be beneficial:

http://www.animalnetwork.com/fish2/aqfm ... efault.asp

Calcium propionate might be OK, but I'm not certain how fast the propionate will be metabolized. This one will be a balanced calcium and alkalinity additive if all of the propionate is metabolized (as is the case for calcium acetate, which is fine to use, and there is one commercial product: Salifert's All in One).
 

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