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Old 05-10-2018, 10:07 PM
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Default Sucking or Blowing: fan circulation?

I cannot seem to find a thread that discusses whether blowing air into the vivarium or sucking air out of the vivarium is better. I have an Exo-terra vertical, which I will create a vent on the top and at the back. I want to use a computer fan or two, but I don't want it in the terrarium. I'm not doing this for the doors; my concern is the plants.
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Old 05-10-2018, 10:10 PM
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Default Re: Sucking or Blowing: fan circulation?

Blow in, fans are designed to blow and blowing moves air out into more directions creating more dispersion of the air and clearing of the glass.
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Old 05-11-2018, 04:18 PM
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if youre trying to circulate air around some plants id suggest blowing air into the vivarium.
in my tank i need to keep the humidity in check, so i blow air out of the vivarium and this works fine for me. different needs call for different solutions
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Old 05-11-2018, 04:49 PM
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Default Re: Sucking or Blowing: fan circulation?

Your best bet is to blow air around your viv. The point of putting in air circulation is to prevent your air from getting stagnant. Very humid air is fine as long as it is moving. Orchid growers refer to ideal greenhouse conditions as buoyant, meaning the air is saturated with water, but there is always a gentle breeze throughout. Unless you have heat issues or no passive vents to the outside environment, constantly introducing drier, outside air is actually working against the whole point of why you constructed a viv.
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