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Old 10-11-2009, 05:49 AM
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Question 90% humidity
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i noticed my grow box was at 90% when i open it at lights on. my WW is on the 6th week of 12/12. lights come on at 11am. temp drops to about 10c.
so i hooked up my intake and exhaust to run through the night with no change.
im lookin for a home made remedy as funds and real tight
would more heat in the box at night reduce humidity something like a heat mat?
or would a bowl of salt absorb some of the moisture??

im worried about mold

any help would be appreciated cheers
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Old 10-11-2009, 05:50 AM
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Do you live in an equatorial rainforest or something? Lol.
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Old 10-11-2009, 05:59 AM
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NO heat mat, add bowl of rice grains ( uncooked) and increase air flow to max possible
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Old 10-11-2009, 06:27 AM
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get the air flow better
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Old 10-11-2009, 07:13 AM
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lol just cold and damp ireland. itz in a garden shed!
i just put a bowl of perlite in the bottom of the box,
ill try rice aswell.
i have a heater in the shed but dont realy want to leave it running, it will cost a fortune cos its electric.

whats the ideal humidity for flower?
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Old 10-11-2009, 07:33 AM
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I think you need to weigh the value of a good dehumidifier against the value of the potential yield.
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Old 10-11-2009, 07:36 AM
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id add more air flow, it should greater reduce the humidity, add a bowl of something absorbant, like madcatter said add uncooked rice
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Old 10-11-2009, 07:49 AM
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just had a little look around and there are small dehumidifiers you can get for caravans, cheap too 3euro.
gonna try pick one up today.

do ya think the perlite will work?
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