humidity %decrease
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tehgenoc1de
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Yeah man get a couple big tubs of damp rid. I stuck a big tub and a small tub in my room (2x5x7) and it went from 65% humidity to 30% in about 3 days. Then I just took one out let it rise and have been playing it like that since, staying around 40-50%.
tehgenoc1de
Active Member
Dunno how long it will work probably depends on how long it's really humid, the tub says 6 months I think. I bought the big tub of it, it's the one for RV's and second homes. Think it was about 10 bucks.
This only works to a extent.... I say that cause if it's too cold outside you can only vent for so long. Especially when Humidity becomes a problem which is typically during the dark cycle.
Here's my 5x5 tent, I have two 6" vortex fans, 1K watt Lumentek, XXXL hood, a 40 pint frigidaire dehumidifier, 1/4 chiller, all stuffed into this tent.
Humidifier only cycles when the lights are off and only is really used about 2 weeks into flower and on. That's when the humidity rises to the point you need
to use it. I exhaust at night till the temp reaches my set point. Then all exhaust stops and the dehumidifier starts cycling when humidity builds up. The humidifier produces
heat which raises my night temp a couple degrees/ This can kick on the exhaust which will bring it back down again and shut off. It cycles like that all night, especially
late in flower.
Dub
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sk'mo
Active Member
Long term, the best solution is to use a dehumidifier. I placed mine outside the grow area so that the air brought into the area is dry (Also keeps the basement dry.). My exhaust runs 24/7.
I wouldn't worry too much though, even running at 60%, if you have good circulation and air exchange you most likely wont have any problems in the short-term.
I wouldn't worry too much though, even running at 60%, if you have good circulation and air exchange you most likely wont have any problems in the short-term.
Yah man, 60% or less with circulation you should be ok with most strains. If you are running your exhaust 24/7 you obviously don't live somewhere cold. You can do that in Socal, not Seattle
Is that Ontario Canada? If so, where do you pull your air from?
Dub
sk'mo
Active Member
Good things grow-o in Ontario!
In the winter I just recirculate the air into the basement to conserve energy. The dehumidifier draws out excess moisture and the furnace provides fresh air.
I'm actually working on separating the exhaust from the lights so that the exhaust runs [outside] on an as needed basis (humidistat) in the winter, and lights provide warm air to the basement.
In the winter I just recirculate the air into the basement to conserve energy. The dehumidifier draws out excess moisture and the furnace provides fresh air.
I'm actually working on separating the exhaust from the lights so that the exhaust runs [outside] on an as needed basis (humidistat) in the winter, and lights provide warm air to the basement.
sk'mo
Active Member
Just made me think of something... One reason I put the dehumidifier outside the grow area was because I figure basements are a good place for mold to grow, which leads to spores being drawn into the grow, so why not ensure that it is not a good place for mold to grow as well. This lead me to purchase a dehumidifier large enough to dehumidify the whole basement, which lead to spending more money than I had hoped/wanted to...
Point is: Buying a cheap dehumidifier is fine, just make sure it is the right size to dry the volume of air you want it for.
My Frigidaire 40 pint is good for like 1200 square feet and I only use it in my 25 square foot tent... lol.
That's why it only runs for about 5-10 sec at a time. I have to empty the tank every week or so during heavy flower.
Cost was $140. I use it for controlling my drying spot as well.
Dub
That's why it only runs for about 5-10 sec at a time. I have to empty the tank every week or so during heavy flower.
Cost was $140. I use it for controlling my drying spot as well.
Dub
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