Jebao Dc Pump Pre-Order

[nrosdal]

Originally Posted by Cjm

Can you define slight hum a bit better?

It has a hum that is audible. Mine is in a fish room so it would not bother me at all. But, if you have a silent system in a room where a small humming noise will really bug you. Then i would not chance it. Most of my noise was coming because of my return line being slightly undersized at 1" for a 12000lph pump and the hose was vibrating against the wall it was fastened to. when i unfastened it it cut down most of it. But it is still there, I just don't want to say it is completely silent when it is not.