Hi, I recently purchased a HOT Magnum as a secondary polishing filter. I find it a little noisy. Not an air problem but the humming sound comming from the pump. Am I too difficult (the tank is in my bedroom) or it is normal? I woould say it is much louder than my Eheim. I can only hear the...

Is there any aquatic mosses that will take the higher temperature (85 degrees) of a discus aquarium without being affected badly?