Bulkhead Flow Rate

sorry for the possible stupid question Otty but is the stand pipe the one on the outside of the tank that takes the water down to the sump or fuge?

 

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nice! thanks Otty ;D

 

Glad to help, done all the research already when I was building mine.

 

Ok, I know this is an old thread! I was looking at the 1" bulkheads on glass-holes.com and it says they are only good for 300GPH. What gives?
Heres the link: 1" Bulkhead, slip x Slip - Glass-Holes.com dope aquarium stuff

 

Typo or mistake somehow, there's no way that is possible.

 

Thats what I was figuring.

 

fwiw, this is what the REAL flow rates (maximum) are for these 2 sizes of PVC using schedule 40 pipe. Sch 80 flows a slight bit less.


1" PVC is either 960 or 980 gph, either way much better than 300 or 600 from what some kits say, and 1.5" is right around 2000gph max.