CAN YOU GET CLOUDY WATER FROM NOT HAVING A PROTEIN SKIMMER IN TANK THATS BEEN RUNNING FOR MORE THEN 1YR 1/2?FOWLR TANK. ITS LOOKS LIKE MILK SWIRLING IN WATER-CHEMICALS MIXING. FISH SEEM TO NORMAL DOING THEIR BASIC DAILY ACTIVITES. NOT TO SURE WHAT HAPPEN.