Mag 5 is LOUD!!

[CKI]

Good deal!

As I said (just using logic) you have already ruled out the pump as a defect as being the problem by replacing it. Unless you've just hit the 1 in a million lottery of pump problems and you happend to find two identically flawed pumps. Right?

It's either the installation or something about its operating environment – which you are on the track of now.

A picture of the install would still really help.

And for what it's worth, the QuietOne 2200 is probably a quieter pump, but only by a little. I also think the Mag is a stronger pump. I have both. Note that you had to change the installation significantly to hook up the 2200 (which has 1" fittings vs the 1/2 fittings of the Mag) – a change that could have impacted how either pump would run.

Really hard to get a picture of the pump, its the redsea 170 tank with small sump, which I have my skimmer and algae srubber with a custom stand that goes over the sump. I found a old filter sock I'm going to cut and place under the pump try to wrap around it to see if that helps with the rest of vibration, I do still get a proposing sound from time to time.

 

[mcarroll]

Another thought: Weight on the pump threads can cause issues.

• The pump should not be supporting the weight of the plumbing attached to it.

• By the same token, the pump should not be suspended by its threads from the plumbing.

If any of that could be a factor, it usually just takes some plumbing hangers, or a mount point for the pump (or even the cushioning you're trying) to fix things up.

Many folks use 6-12" of flexible vinyl tubing for the actual connection to the pump to make this easier. It's what I do too, but I'm not sure it's the best solution. It does work though.

 

[CKI]

I placed a old thick filter sock under it for vibration and adjusted water flow from my overflow, seems to have gotten much quieter. Just a humming from the pump running