Yes, that sounds like a great idea, since it must use some kind of a motor powering a rotating drive fan and the whole arrangement will be water resistant... I'll investigate this one with interest!
I just wanted to say thanks to everyone for the overwhelming number of possible ideas.
Abdul
If the pump is indoors, then in cold weather water will condense in the tube, and block it freezing the tube, and stopping the flow of air.
======================= Trolling motor is 12VDC and waterproof. Run it off a battery charger. That'll keep the water moving!
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