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just let it float around. i started out with one chunk in a small tupperware from a friend. pulled it apart a bit and threw it into the tank. it just floats around. then it got big, and i was able to break it in half and put 1 half in my fuge and left some in the main tank too. the junk starts...

OK cool thanks for that feedback. But that gives me a question: is it better to try to pump microfauna thru a pump up to DT ( I heard 90% die on the pump)? - or - is it better to feed the fuge DT water pre-filter, so the water flowing into the fuge is still all full of 'export' from the DT? My...

this is it ! (borrowed from elsewhere - not my drawing) I'll probably do that ^^ ^^ instead of depending on a hole in a tube that a snail can crawl on and cover up.

some killer feedback there - thats what I need - many thanks. i never thought about the inflow pipe moving around physically, or the flow disturbing the fuge inhabitants either. There is a seperating wall between the rock and the fuge - it has like 2" teeth at the top, I plan on grinding them...

sweet project to think about bro. I think I'd pump the return water up to its highest point via 1 tube, THEN tee it off, and control the flow to each tank via ball valves if required. I heard somewhere that your inflow to the sump should be 2x the return line back up to main tank. So a 1/2"...

Hi all - I have sketched out what I (think) I want to do to plumb my refugium. However, I've never done any of this before - this sketch is just from what I've studied and envisioned. Am I close... Or am I gonna flood the carpet ? Thanks for the help and comments. - Saylor full size...

foot valve: http://www.flomatic.com/index.asp?lg=1&w=pages&pid=189

Hi - I think the device I'm looking for is called a backwater / backflow valve.

ahh indeed. I neglected to mention that my sump/fuge/ is under-tank :/ I wish mine would be above tank, but I got a package deal on all of it and this is what came with it :) I heard im gonna kill most of the copepods, etc, pumping them thru the pump up to the main tank.

cool cool - i think rigging a toilet-bowl float is gonna be tacky, and needs room for the arm to move, etc. And they fail in the toilet, how is this gonna be different? This ball float thing would be so much cooler. I've contacted hudsonvalve.com and some other MFGrs to see about what they...

sorta like this - http://www.3reef.com/forums/i-made/m...off-34549.html

the one i saw is sort of like the ones at hudsonvalve.com , , ,but its a little different. the hudson valve is the closest Ive seen so far anyways. . .

Hi all - I saw a 100% PVC float-type valve somewhere on the interweb - it basically looked like a ping-pong ball inside a strainer,,, but now I cannot find it again. The water level rises, pushing up the ping pong ball into the tube, thereby shutting off the incoming water. As the water level...

thanks for the pic. that answers about 17 of my million newb questions :)