Two 1" bulk heads enough passive flow for 60 gallon tank?

[MoshJosh]

Would be wanting at least 600GPH. . .

 

[blaxsun]

600Gph is quite a bit for a 60 gallon tank. That's what I roughly have on my 200-gallon system...

 

[KrisReef]

Yes, no flow problem restrictions at that diameter.

 

[vetteguy53081]

Would be wanting at least 600GPH. . .

For this size tank - yes. Even 3/4"