to all doc 9410 users

Hi,
I actually started my reef with a used tunze 9410.
As I read quite often, it takes a while until it gets quiet, ttalking about the pump.

However, I have quite a feeling that my Skimmer cup is a little loose and makes quite some noice while running. That really annoys me every day.
As soon as I press the cup down with my hand, everything is fine and I can only hear the noise of the pump.

Anyone some experience with this?

Thx
 
About 2 years ago they changed the body so the cup is tight and doesn't vibrate, however the lid can still make some vibration noise. On the older models I have seen people add a weight to the lid or place a rubber band around the cup to dampen the vibration.
 
cant speak to the noise problem because my 9410 is in the basement but otherwise, this little skimmer is amazing.
 
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