Duckhams' 75G Reef Build - Eurobraced/BeanAnimal

[Duckhams]

Originally Posted by Bugger

SO two drains can handle 3400 gph

2 standard non-siphoning drains? it would depend on the size, and orientation of the pipes. i.e. a 90 degree bend and a horizontal run at any point in the drain line could cause a 'backup' and limit the amount of air/water able to flow through. PM me your plans and I'll take a look.