repair said:If you have an external overflow I make a cover out of plastic and it will relly qiuet it down.
mjime714 said:If its anything like my tank, the sound is coming from the water draining into the sump from the predrilled hole in the overflow. The link JardidiBoy looks like a solution for me, but I am not sure how jackyl0568 setup is.
what kind of plastic cover?