<a href=showthread.php?s=&postid=15164598#post15164598 target=_blank>Originally posted</a> by troylee
thanks lightsulver.....it is thread of the month rite now on r.c. check the diy. forum top post.....or beans page might serve you better than a 500page thread......
http://www.beananimal.com/projects/silent-and-fail-safe-aquarium-overflow-system.aspx