So I got a dual overflow on my 125 gallon and I've bought the megaflow overflow kits. The input is 1 inch and return is 3/4. The 3/4 seams small for a return but I think that's enough for a 1262 eheim pump. A couple of questions here. 1: should I continue the 3/4 all the way from the pump or go with 1 inch and then go to 3/4 output pipe? 2: the input overflow pipe sits pretty loose in the bulkhead, I know it has to be glued but there still seems to be some play. Is this normal?
Thanks for your input.