How much humidity should plants have during flowering?

And what's the best way to achieve this amount of humidity?

Its best to have it as low as u can really, ive been told 30-40% during flowering and 60% for veg.
what i dont know is what the max humidity for in flowering, but i kno it cannot be high otherwise bud root will occur.

bunstinky said:

Its best to have it as low as u can really, ive been told 30-40% during flowering and 60% for veg.
what i dont know is what the max humidity for in flowering, but i kno it cannot be high otherwise bud root will occur.

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Well, have a low humidity... Probably 10%. Heat isn't too high. I was just wondering because I want everything to go smoothly with this plant.

ilovekasey17 said:

Well, have a low humidity... Probably 10%. Heat isn't too high. I was just wondering because I want everything to go smoothly with this plant.

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Ideally you'd want 40-60% for flowering, with temp around 72-76F. What are you growing in? Just by adding a wet towel/rag you could easily boost the humidity.

ilovekasey17 said:

And what's the best way to achieve this amount of humidity?

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for veg i add a humidifier that adds a good amount of humidity u can find one at luckys or walmart and i keep it around 55-75 never over 80% tho then for flowering i heard 60% or lower but 10% is way to low maybe ur last week or two that would be good for more trichomes but 10% the whole flowering is all bad

ilovekasey17 said:

And what's the best way to achieve this amount of humidity?

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good question but lots of different variables.

During flowering I like to keep mine under 50% but that depends on....jeeze........, size of cab, number of plants, hydro, soil, ambient temp/humidity etc...

You might use humidifiers, pails of water, de-humidifiers...it all is dependent on conditions.

Boneman said:

good question but lots of different variables

During flowering I like to keep mine under 50% but that depends on....jeeze........, size of cab, number of plants, hydro, soil, ambient temp/humidity etc...

You might use humidifiers, pails of water, de-humidifiers...it all is dependent on conditions.

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well i would go for like 35/40 on weeks 1 and 2
45/50 weeks 3 and 4
keep it there till veg is kicking in
then steadily go week by week (you have to work it out but by week 9 you want to be at about 70 humidity and you have to get there gradually) then when ur raping the plants for all the bud you can get out of it knock it back down to about 20, give it 12/12 and you should have like a beast lol^^^^good rough guide though ive found

boneman hit the nail on the head.....way to many variables to consider. on many sites humidity is considered to have little effect on overall yield as long as kept at above 40