The Planted Tank Forum - View Single Post - How can I add calcium without raising PH?
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post #1 of (permalink) Old 03-12-2007, 06:37 PM Thread Starter
mistergreen
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How can I add calcium without raising PH?

Everytime I add calcium, the PH goes up a little.. Is it possible to have it not go up...
I have added gypsum (calcium sulfate).

I just added limestone (calcium carbonate, i think).. I know this will raise PH too.

I'm actually surpised on how much plants need calcium.


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