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Old 01-10-2013, 08:28 PM   #5
Planted Tank Obsessed
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Join Date: Mar 2011
Location: Davis, CA
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Cannister filters are great for filtration, but have generally not provided my tanks with adequate circulation, even when I have used ones far over-rated for their size. For a heavily planted tank, you will probably have adequate filtration, but not necessarily enough circulation.

I concur with the above koralia powerhead/circulation pump suggestion rather than adding a second cannister.
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