Reef Plumbing Experts?

[vanreefer]

Originally Posted by input80

I have a couple of questions for the experts in here:
1) can a Bean animal work correctly with 2x1.5" & 1z3/4" holes, or do they all have to be the same size?
2) with 3/4" bulkheads (returns), would it be fine to run 1" from the pump then reduce to 3/4" at the bulkheads & run a 3/4" pipe into the tank? or can I go 1"--> 3/4" at the bulkhead-->1" into the tank?

1) it can work... how much does your return pump move/ hr? That will dictate if u use the 3/4" as part of 2 active drains or the emergency... If u use it as the emergency it may not be able to handle the flow.

2) reducing to 3/4 will restrict flow... After it is reduced it doesn't really matter if u stay at 3/4" or upsize to 1". Going back to 1" will result in more gentle flow at the outlet.
Cheers 😉