Rinsing the biofilter

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Donavin

Aquarium Advice Regular
Joined
Oct 26, 2011
Messages
60
I looked at my biofilter and there is quite a bit of build up on it. The instructions say it should be rinsed. Would anyone disagree?
 
I have a HOB system that has 2 carts. One is the bio filter and the other contains the carbon and foam.
 
The carbon/foam filter is removed and changed weekly during water changes.
 
rinse it in a bucket with the old tank water during a PWC, then dump the bucket water, and reuse filter.
 
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