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Old 05/13/2013, 04:57 PM   #3
SPS Killer
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Join Date: Dec 2012
Location: San Diego, CA
Posts: 1,490
Hmm thanks. I got one of these as a stand in for something like the old Current USA internal filters.

A giant skimmer has killed sump space and I didn't really like the flow through rate in the sump channels. I think half a cup should probably be fine. I don't like using too much carbon anyway.

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