When keeping stoney corals I would recommend an SG no lower that 1.024 and keep in mind natural sea water is about 7 DKH & ca is close to 400. Unless running zeo I suggest keeping the alk closer to 8-9 DHK and ca 420-440. Your fish will be fine & your corals will be happy.
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Greg
Last edited by Snappy; 03-16-2009 at 02:39 AM.
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