Nano or under 50 gallon tank sumps

[AdamNC]

Seen a similar thread for plus sized tanks and sumps, got me thinking...What do all the nano people use?

I'll start it off with pics from my 40 breeder setup, yes salt creep and all.

Vertex Somatic 60S fully loaded with every add on.

 

[hart24601]

For my 34 deep blue (40b footprint) I use a 10g tank that I didn't put baffles in. Worked like a champ!

I got a less powerful ato pump and had to put in a return baffle, but it's simple and works great!