Originally Posted by SaltwaterNuB
Well I do have a bubble trap between to 2 chambers. Do I need to have anything into return chamber other than my return pump?
Probably not... but all of sumps I have seen(not too many) have a bubble trap. I like mine because you can force water like a reactor through gfo
and carbon. I have 2 sponges angled towards the middle where I have a bag of carbon. It works for me! My water is clean: )