Overflow very loud

[Cell]

Migrated to this thread for more focused help:

https://www.reef2reef.com/threads/single-pipe-overflow-and-return-all-in-one-very-noisy.785813/

 

[John08007]

Looks like it's a 14gal tank. Has to be the world's smallest reef ready tank. I'd bet that it probably uses a tiny return pump and it should just trickle down the overflow.

With such a small tank why not goto petco and get their $1/gal sale on a 20gal?