Quote Originally Posted by josh lucky 13 View Post
I think the pc fan option is the best option. I would consider 4-6 1 bottom blowing up 1 top blowing over 1 top blowing down 1 bottom blowing over creating a loose circle. You could add middle if you want but still maintain the circle. This should allow even distribution of humidity. Also how many hygrometers are you running?

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I concur with @josh lucky 13 he is all wise!!