http://talk.newagtalk.com/forums/thread-view.asp?tid=18664&posts=12&highlight=planter%20pic&highlightmode=1#M128329

here is the post back when I put mine together.... I have Stainless T's with elbows on now. the Plastic becomes brittle and breaks.

Then on the bottom of the elbows, I have 4 inch rubber tubes....

We are about 1.5 on each side of the row.  I normally run 10gal of N... split on each side.