what is better?

raddogz

Premium Member
I'm using a quiet one 4000 on a 120g; however I will be running a closed loop system down the road for more flow.
 

Billybeau1

Premium Member
Both good pumps. If your gonna run internal, I think the quiet one runs a little cooler. If your gonna run external, Quiet One would be my choice. Mag does not recommend running their pumps external, though a lot of folks do with no problems. I've had both.
 
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