I have a Red Sea Prizm...I mean, it's alright...but would I say it's good? Probably not. I mean, it suds up the collection cup. But I could hope for a much finer suds than the bubbles it generate. Sometimes, for me, the tinier, denser, and dirtier the bubbles, the better the skimmer is. But if it's like laundry detergent-type of suds....it's alright.
So there you go. Go save up some money and get a decent skimmer. You don't want to go cheap on that part of your setup.
We live and we learn