The drain meets the top of the tank at a bit less than 45 deg. down from vertical. So, the first 45 deg. bend points just back past vertical. The second bend, thus, points a little less than 45 deg. the other side of vertical.
Personally, I think Mitch's version would be simpler to duplicate...
You think that sounds Voodoo? heh - I've got a voodoo solution for you. I happened upon it by trial and error trying to fix the same problem you're describing.
Basically, I put two 45 deg. elbows on the end of the 'fuge's drain line (into the display tank), skewed about 15 deg or so. The drain...
