sjm817, I've noticed that I can have my 90 under the water. It all depends and it's a bit finicky. Sometimes it gurgles terribly and I can move it a micro inch and it's quiet. Looks like melev has a nice easy fix to that problem if it comes up frequently.
If it's not a problem to have the riser tube almost closed, then I guess I'm good to go. I just thought I was basically taking horse power away from the skimmer, cutting down it's efficiency.
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180 w/ 400W Coralvue dimmable ballast / mini lumenarc reflectors / Reeflux 10K bulbs
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