The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
I already emailed them and I'm waiting for a reply. My biggest concern is if I can use them like I would a Fluval. But we are going to our LFS today to talk about CO2 for our 40, I think we'll take one of them along for questions.
I don't have those type pumps. Mine is plumbed to my sump then pumped back to the tank. I use mine to polish the water but, i don't see why you couldn't use your own media for bio. or chem. filtration.