aquatekbk

No problem Gabe, glad to hear that it went well, we always want to help with the educational process. I am glad that someone is willing to donate their time and energy to such a worthwhile idea. Anytime you need anything let me know and we'll help out as much as possible. Bruce

I'd try regal plastics, 512.836.3629 on metric at kramer. I've used PVC before also though and it is a lot cheaper. Biggest problem I had was drilling the holes in the live rock, it is so porous that it tended to break apart rather than drill nicely.