Sorry, i meant vent the air output from your collection cup or waste collector outside. I would imagine that venting the waste kine oustide might cause problems if the skimmer goes nuts, unless you have an auto shutoff container
Check out www.savko.com they sell black pvc. I have heard fusion work with no ill effect but does wear off and the company does not reccomend it for constant marine submersion.
mine was missing since the 15th of last month and i finally saw and heard him yesterday, which was the 9th. Its a G. smithi hitchhiker and i thought he was a goner to the cycle.