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InvisibleMolester
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Registered: 07/10/10
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static pressure buildup
    #13020639 - 08/08/10 07:14 AM (14 years, 5 months ago)

RogerRabbit says if you modify the output of a coolmist into a tube or pipe, static pressure will build up and the device will eventually stop working. Is there any way around this besides putting it in a mixing box and drawing air from that with a duct and fan and connecting that to the chamber?

I'm going to build a large shotgun and don't want to be manually messing with perlite all the time. Running humidity inside is ideal but I want the device to last.

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InvisibleShroomismM
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Re: static pressure buildup [Re: Molester]
    #13020674 - 08/08/10 07:43 AM (14 years, 5 months ago)

Yes the impeller-type cool mists will burn out very easily if you modify them to pipe air.. they will last for a long time untouched.
The idea of a mixing box and feeding air from that into the chamber is probably the only logical way to use one of those to pump air into a small chamber.
You could always build your own humidifier and pump air with that.


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InvisibleMolester
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Re: static pressure buildup [Re: Shroomism]
    #13020870 - 08/08/10 09:05 AM (14 years, 5 months ago)



something like this ♥_♥

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OfflineRogerRabbitM
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Re: static pressure buildup [Re: Molester]
    #13020882 - 08/08/10 09:10 AM (14 years, 5 months ago)

If you feel that you must run a hose from a cool mist, get a 4" diameter clothes dryer hose and use that.  It will have less back pressure.  Keep it as short as possible with minimum bends. 

Placing the cool mist directly in the mini-greenhouse will work much better though.  Cut windows or leave the door partly open for fresh air exchange.
RR


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InvisibleMolester
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Registered: 07/10/10
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Re: static pressure buildup [Re: RogerRabbit]
    #13024279 - 08/08/10 10:47 PM (14 years, 5 months ago)



Here's what I'm thinking so that I don't need a mixing box. I just create the mixing box under the tub, kind of. Question though, would I need any negative fans on the top of the shotgun to help pull up the humidity?

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