here is a couple snaps of my question about the hole vs. the O.D. of bulkhead...thats an 2" I.D. bulkhead. and a 2 7/8" hole
and I think I want to drill 2 more holes so I have a total of 4 returns for CL.
1. is the pump thats been driving it OK to add another 2 returns?
2. is drilling the...