40g with sump

[abryant]

What skimmer would y’all recommend with a 40 gallon tank not looking for a hob, I have a sump

 

[nuxx]

Smaller Reef Octopus with a DC pump.

I've had a few larger ones and were all super reliable.

 

[CasperOe]

On a budget, i'd go for a small Bubble Magus..

I do like the new Reef Octopus eSsence S-130 protein though..