Never had a Fluval, but take the thing apart, remove the filter media and squeeze the living daylights out of it in the outgoing changewater. If you've never done this, you may find that the media needs replacement. If this is the case, put the media back in and make sure you have new stuff for your next water change.
Hopefully, others with Fluval experience will chime in here with REAL cleaning advice
11-28-2004, 08:23 PM
Re: cyano
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