Originally Posted by Sltwtrfan
I tried using a "Aqua-Pure" pre-filter. One of the cut-to-fit kinds... is this what you are talking about? cause it isn't working!!! ahh!!
You want to use the media where your output is, not as a prefilter. I have an AquaC Remora with an add-on prefilter box. The return section of the box has a place for a sponge to trap bubbles. Perhaps you can try something similar.