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Humidity at night
4Bangr420started grow question 4 years ago
How are people keeping humidity down during lights off hours, I have RH of about 77% at 'night'. My temps are about 19°c at night the best it can be. I've a small dehumidifier but its basically useless. Very strong Extractor aswell doesnt seem to bring it down. Thanks for replies
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DoDrugs420answered grow question 4 years ago
Ignore that humidity, in a 20/4 schedule just keep the fans running without blowing directly at the plants, as long as the air moves its all good, plants won't actually do much during the night as humidity controll serves 2 purpouses.
1- prevent fungus.
2- transpiration wich is linked to photosynteses, i'm not going to go into this too much as rhe info is online, but during night, no photosynteses so only prevent the fungus with the air movement and everything is 100% alright.
Good luck mate. Your plants look perfect.
Btw if you don't mind picking a answer it will award a point to the grower who helps you and this helps the grower back in the grower of the month competition.
Best luck growmie
4Bangr420answered grow question 4 years ago
@CloneKingz thanks for the reply man, im running 20/4. Lights go off at 6pm. I have 2 fans blowing around canopy, still at 70% & higher. Ill try wire up a small fan i have, bit worried of any problens later on bud rot, mildew or what ever. Thanks again 😁
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CloneKingzanswered grow question 4 years ago
It is for this reason I actually run my lights at night and it prevents my tent from dipping below 17 degrees every night and helps with humidity vs running my lights during the day and lights off at night.
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CloneKingzanswered grow question 4 years ago
Heya!
You could always try to raise temps with a space heater to dry it out by raising a couple degrees. You can try and use a couple more fans around the canopy to prevent bud rot and/or add an intake fan to push more air in with a lower humidity.
Cheers!
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