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Old 12/18/2007, 08:08 PM
bertoni bertoni is offline
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Join Date: Mar 2002
Location: Foster City, CA, USA
Posts: 35,743
1. SeaChem Matrix is one good type of carbon. There are some others, listed in the chemistry forum. I run carbon continuously and replace it about once a month. It's fine to run in a mixed reef, in my opinion.
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Jonathan Bertoni