Deb, do you use 5/16" tubing? Everywhere else I have seen, including RBI, uses 3/16". Do you recommend the larger diameter, or was it just chance that yours was different?

Now that I think I have my design mostly set, I have to decide whether or not L fittings will be required, unnecessary or neither, but very helpful.

Basically, the line down the side of the rack would have a T fitting at each level, and the extra barb would lead to either...more tubing leading to an L fitting in the middle/front of the tub, which would connect more tubing to the valve. I think this may work better, but option two is to have the T fitting at the edges lead directly to the drinking valve. This would put the valve closer to the corner of the tub, but that is usually where the bottles are anyway, so I don't think it is going to make much difference, so long as it doesnt kink/get chewed on w/e. I just don't know how much flex I can wiggle in without needing the L barbs to keep everything clean and straight. Any thoughts?

If that doesnt make sense, let me know and I can draw it on paint really quick.