OK
I use a Siccce pump in the sump of my 180 gal
View attachment 1506855
I find it to be very quiet, and I like that it is set up to be either hard plumbed with PVC, or used with a hose.
It is fairly energy efficient, and doesn't;t put out a lot of heat.
Below is a video of it running on my 180.
Flow
I have also used Mag Drive pumps, which I found to be noisy and put out a lot of extra heat.
And have used Laguuna that were less noisy and worked well
I've used mag drive yrs ago (15-20)
Was a good pump, I remember them being costly but it held up for the yrs the tank was running,
I will look into this sicce pump, (never seen it)
But I've had some quality stuff come out of Italy.
Thank you for the insight duanes.