01/02/2008, 05:14 PM
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RC Mod
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Join Date: Mar 2002
Location: Foster City, CA, USA
Posts: 35,743
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1 tsp of liquid calcium shouldn't change the calcium level in a 75g tank noticeably. This calculator might help:
http://home.comcast.net/~jdieck1/chemcalc.html
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Jonathan Bertoni
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