I currently have the Rena XP3 canister filter running on my 75g tank. I notice that once in a while it sprays a lot of tiny bubbles out of the spray bar. Does this happen for anyone else? I am priming it correctly and it isn't make any loud noises, just running like it normally does. I guess the bubbles aren't too much of a problem, but it almost makes the water appear cloudy when the lights are on because there are so many floating around.