minimize micro bubble from sump

[Der_Iron_Chef]

Hey...I think I noticed yesterday that you have a Coralife Super Skimmer, right? I had the same problem, especially since it's hanging on the back of my display tank. I did a few things to reduce microbubbles. I took the foam stuff out of the bubble diffuser and replaced it with a block of high density black foam filter material. I also put a piece of airline tubing on the output air vent and placed the other end of the tube an inch or so below the waterline. Ever since, haven't really had any microbubbles!

My problem is the skimmer overflowing in the middle of the night. I don't get THAT one. Skims well all day and then I come out to a FULL cup of very very light tea-coloured skim in the morning (sometimes pouring down onto my carpet...*sigh*). Have you had problems with this? Any ideas?