Pests migrating from refugium

[eli@fijireefrock.com]

Originally Posted by Doug

Sooooo, what if I were to drill my 30g.....have it higher than my sump.....have the drain feed some sort of elaborate filter cleansing thingy majigy, then into my skimmer compartment. Think this would stop bubble algae spores, aiptasia, and red turf from getting into my main tank. Surely one can filter fine enough to block it?

The setup your thinking of after doing a thorough cleaning I am sure you could get rid of the bubble algae but the aiptasia is something I wouldn't tackle unless I cook the rock especially if you have as many as you think there is.
I think this setup will give you grief in the long run than not.