Today I received my new HOT Magnum Canister Filter. I installed it following the directions; but have noticed when the filter is running its super noisy. I hear water swishing back and forth in the canster and a very annoying rattling noise. I get paranoid when hearing the water swishing noise in teh canister as if it will spill out of the filter. Have this happened to anyone? Or have a reason why this may be happening?