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To those who stick foam over the outflow...
How long have you been doing it?
Have you ever had a problem? Like cycle break down, overflow on the filter, etc..
I've always read you're not supposed to put anything over the outflow.. that you should only put sponges UNDER the outflow to reduce the current of the outflow but nothing to actually go over the outflow that would reduce the flow rate..
To keep my fish from getting cut on the bottle, I would buy some sponge, cut it and wrap it around the edges of the bottle.
Last edited by callistra; 12-16-2012 at 05:27 PM.
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