Ive got a problem with my siphon being too weak. Half of the debris gets sucked out and the other hald just keeps rolling around in the siphon tube. Its kind of frustrating because I know Im not getting my aquarium as clean as I would like to. My water level is about 4.5 feet high and I drain into a 5 gallon bucket on the floor. I have a 46 gallon bowfront and use a standard Marineland large siphon. I also sometimes use the Aqueon water changer, but again the siphon isn't very strong. How can I create a stronger siphon?