The Planted Tank Forum - View Single Post - Using purigen in a sponge filter
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post #8 of (permalink) Old 11-06-2013, 07:06 PM Thread Starter
Planted Tank Obsessed
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Join Date: Aug 2011
Location: New York City
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It's a 5.5 gallon btw, so I feel 100ml is a bit overkill.

Is there a filter media that actively absorbs or removes nitrates? I've read that purigen just removes the source of nitrate, but not the nitrates themselves.

No self respecting aquarist worth his salt is without a bucket -Anon

5.5 Gallon College Tank

Last edited by Darkblade48; 11-06-2013 at 11:14 PM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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