Quote:
Originally Posted by jsrevenaugh
Why not rig up a powerhead and some tubing to draw water from the tank, pass through a cooler packed with ice and back to the tank. Closed, simple, efficient. If you only need now and then, why spend more than you need to.
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This seems like a very workable idea, cheap and effective. Combine that with a small cooling fan blowing on the water surface and that should totally take care of it.