any chance you guys can tell me what the stocking level is and if you have ozone and what size tank?
My tunze 9002 on my 20 gallon collects 0 cups of skimmate a week. Well thats cause i dont have any fish in my tank and the tank isnt even mature and there was a very little amount of die off from the live rock and when it was dying off the skimmer was off. It has collected water though.