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Discussion Starter · #1 ·
I am finishing up my new tank/sump build and am getting a lot of noise from my pump. It is a Mag Drive 9.5. Some of the noise is from vibrations which I hope to reduce by putting the pump on foam and foam where the pluming contacts the sump and stand. There is also a noise that sounds kind of like bubbles in the impeller. Any idea what that my be?
 

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Not sure how you plumbed the pump but to help reduce pump noise being telegraphed into the tank and/ or stand use flexible or vinyl tubing right off the pump for a foot or so.

Sometimes the prefilter sponge on the pumps cause it to cavitate and make noise or water movement in the pump chamber can cause air to be ingested into the pump if the level is too low. Clean or remove the sponge and see if it helps.
 
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