Plumbing - Pipe?

[true74]

What size return pipes should i use 3/4 or 1/2 pvc. I will be running it off a Mag 7 with the return Teeing off into 2 corners. :help:

 

[sign guy]

3/4

 

[true74]

thanks

 

[acrylic51]

3/4 min if you can get a way with it use 1" pipe....