ares;316974 wrote: just got one off ebay.
I had drilled my first tank with a dremel and a diamond tip. it worked, but Im going the hole saw bit this time lol.
Maybe you could post a pic or tell us what brand sounds like a nice setupZDaytonaRoadster;317336 wrote: all topfin tanks are all tempered glass, so dont drill.
I've had an hangon back overflow box for a year, and its been great, no floods, very quiet, even with several power-outtages it always starts right back up.