So I'm looking to drill the tank for the return line it's a 125g. I've already drilled the overflow. Is there a complete kit that i can just buy or what exact parts would i have to buy for this. Doing LOC line didn't want a elbow going up and over the tank. One other thing should i do ¾ for the full return or 1" and finishing in ¾ for the loc line as i don't think they make 1" loc line. The overflow is 1".