Thread: DSB in a bucket for nitrate control
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Old 12/11/2007, 10:03 AM
tcmfish tcmfish is offline
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Join Date: Jun 2006
Location: Melbourne, FL
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I had that problem with a ~4" sandbed in an old refugium on my old tank. I think with such high calcium levels it started to turn into rock. I would be interested if anyone else had this problem?
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