new fowlr

i have my protein skimmer on, but it dosent look right... There is no foam and water is over flowing to collection cup... Any idea why? I'll put a picture.

Hello all. I just joined this forum as I am restarting my FOWLR 75 gallon. I set up my tank 8 years ago as a birthday present for my wife. I had great results with it but let it go to hell within a year of my wife passing away 3 months after I set it up for her. My last clown recently died and I...