I have 2 BC 14's. This one is my FW set up, so small fry, pygmy cories, etc. I ended up using some open celled foam cut thin, and zip tied it to the outside of the vent. So far everything is just fine.
I don't get why they make the cartridges so long, when only 1 1/4" is exposed.
None the less, i'll be ditching it and the bio-balls and going with live rock rubble and filter floss.
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