Thread: Optimal calcium, alkalinity, and magnesium levels?
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Unread 09/16/2010, 01:13 PM   #6
outy
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Join Date: Oct 2004
Location: auburn CA
Posts: 4,021
alk 8-10 not 7 not 11
cal 400-450 not 375 not 500
mag 1375-1450 not 1300 not 1500

the idea is to mimic natural sea water


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