Thread: Ca 380, Alk 9, ph 8.2 - How to raise Ca?
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Old 01/09/2008, 01:21 PM
Randy Holmes-Farley Randy Holmes-Farley is offline
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Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 52,068
Yes, or just use a calcium only supplement (calcium chloride), such as Dowflake, ESV brand, etc.

This shows how much to use:

Reef chemicals calculator
http://home.comcast.net/~jdieck1/chem_calc3.html
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Randy Holmes-Farley