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 would have to agree with reefrunner. For a HOB skimmer on a 75g tank, I would suggest an Aqua C Remora Pro with a Mag 3 pump, a Red Sea Berlin HOB with a Mag 5 or 7, or a Turboflotor Multi with the Ocean Runner pump. I would not suggest the Prizm, Prizm Pro, or any of the Seaclones. JMHO.