Here is a problem that I know some one has found the solution to. How in the heck do I make my overflow not loud? Its mainly the gurgling of the drain pipe. I took care of the "chug, chug" sound, now I just have the steady gurgle. The drain pipe is from a kit I bought at the LFS. Its the pipe with the 90 degree elbow atached to the top. The top of the elbow is drilled and the sides of the pipe at the top have holes where the water seems to be going down, thats seems to be the source of the sound. Who has figured out how to silence this and how did you do it?