I just recently bought this skimmer used for what I think is a bargain deal but once I got home I noticed the pump didn’t work. I’m not too knowledgable on protein skimmers but everytime I turn on the pump it doesn’t move the water nor does it make any noise. So I’m guessing the pump doesn’t work. So does anyone know if I can just attach a different type of pump on it and will it work the same, or do I have to be a replacement one?