Two Fluval U4's Enough For A 65 Gallon?

[rayclarke]

Would two fluval U4's be good enough for a 65 gallon tank? The tank is 20" wide, 30" long and "30 high.externals are out of the question due to the tank being built into a small area with no room for one. Any help would be much appreciated


Ashley

 

[rdp50734]

yes but personally I would prefer an external.