protein skimmer not working

I got a fluval protein skimmer that fits right in the back of my 13.5 galloon fluval tank. I watched installation/unboxing videos and did it just as they did. But I'm having lots of issues. Water floods in the overflow box quickly right when I plug in. Water control valve doesn't seem to be...

Hello all, I’ve had my tank for about 3 months now. Plently of fish and corals in it, and plently of stuff to skim. I got the skimmer as a combo with the tank and lights. It’s a Aquatop Recife Eco Series skimmer made for the 24 gallon. No matter what I do I can’t get it produce much (never had...