just bought it yesterday, from a guy from CA, it has the dual sicce 2500, the guy swapped out one of these pump for a eheim 6212( i think thats the model #, could be a different #), ofcourse he said that like all sicce pumps, starting it up is the only problem, thinking about shopping for the askoll or the bubble blaster or just finding some sicce 2500's to keep on hand. not sure if i like have two different types of pumps running on it, but it was cheap and i need a good skimmer that will handle a 150 tank and 75sump. 300+ rated skimmer should do fine.