Well I used that powdered defoamer today for the 1st time, seemed to work pretty good, just sprinkled it around on there carpet, just trying to gauge how much to use, use it sparingly in 1st room, still some foam in tank, used a little more in second room and was better, then a little more in 3rd room and all was well, It was "Premier" brand powdered defoamer. This persons carpets had dog pee, poop, blood, puke all over it, and the worst part was that this guy did nothing at all to try and clean it for a Year, yes thats right a whole year, I cleaned the house across the street and they told me about his carpet and dog problems. here are some before and after pics