Where To Drill

[john.o]

That's the exact picture I was thinking of in my head. Any idea on how good flow rate was?

It should just work exactly the same as a standard duso, I would think NEMO,
What size return pump are you planning on using? I have a ocean runner 3500 running on a 40mm bulk head and I have no problems at all in fact it is super quiet.

 

[-Nemo-]

I have a mag drive that's 3600lph. Two 19mm bulkheads