Hello all ! so new to this, I made a small refugium sump 10 gal ( LOL ) I have the return pump .. this is for a 45 Reef bow. other than drilling a hole in the back of the tank for a feed, to fill up the sump. is there any other way. I piped 1/2 pvc for the return, and piped one back to the sump thinking a siphon of sort, but truly having my doubts ! any help would be greatly appreciated .


