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Comment by John Cubit on October 7, 2012 at 2:10pm

I originally I need to support the drain to prevent cracking of the bed container, but I ran in to a slow down of the siphon and would trickle for about 30 seconds before taking off.  What I did was changed the drain so that it would gain greater velocity and grab faster, which meant no need to do this.  The new drain eliminates 2 90's and still is supported by resting on the other side of the tank.

Comment by Dagmarvelous on October 7, 2012 at 10:18am

Hi John,

I will be setting up my first system using exactly the same set-up you've shown in your photos.  You mentioned on this photo that it's the "original L-shaped gravity T drain".  Why didn't this work, and why didn't you opt for the simpler version in the first place?  I'm thinking something to do with the syphon?

Thanks!

Dagmarvelous