Yes the fan will dry things out. Two things to keep in mind
place one fan near the front glass and have it push the air, then place another fan somewhere else and have it suck air. Have both of them controlled via a potentiometer. If you run the fans at full blast, it will be no good. You want just enough circulation to keep the fog off the viewing glass. You can keep it 24/7. My fans go out with the light
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Originally Posted by eddtango
Do you keep the fan on 24/7? Does the fan lower the humidity in the vivarium?
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