I forget what size bulkheads I used but I used 60mm & 45mm bits. I have a 1 1/2" drain line and a 3/4" return line. I think its about 10 times turn over for the pump size. So your looking at something around 200gph
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.