Questions about sumps

Subic76

AC Members
May 7, 2005
39
0
0
I have just bought a 125 gal reef tank.
Jetstream aquarium. Bottom drilled with two gravity feed tubes and two return tubes. I will try to post a picture.
It came with a sump and all plumbing, less motor.
Questions.
Can one here the water fall in a quiet house? Is it very loud?
On the gravity feed tubes, they take water off the top, but on the outer tubes there are strainers about four inches off the aquarium floor.
Do they pull water up through the outer tubes and down the inner tubes?
P1000331.JPG
 
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