Temp vs Humidity

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wattsup2008

Active Member
my day temp. is 77 F and night temp is 64 F
then what shouild be my respective R.H. levels, ya no relative humidity levels at day and at nite
 
archygreenjeans

archygreenjeans

Active Member
i heard you wanna drop the humidity levels to 25-30rh when in flowering faze. This way the plants think they need to add more resin glands to protect the plants leaves, buds, etc.. More resin ='s more high...up to you tho.
PUFF PUFF PASS!
 
DrGreenFinger

DrGreenFinger

Well-Known Member
archygreenjeans said:
i heard you wanna drop the humidity levels to 25-30rh when in flowering faze. This way the plants think they need to add more resin glands to protect the plants leaves, buds, etc.. More resin ='s more high...up to you tho.
PUFF PUFF PASS!
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I have never heard of this anywhere. Where did you hear this? It is agreed on by the experts that 40-50% is optimum. If you go too low, you risk spider mite infestation. FAQ + Google = :idea: = :weed: = bongsmilie...ya dig???
 
DrGreenFinger

DrGreenFinger

Well-Known Member
"Cannabis seems to respond best through a range of 40 to 80 percent relative humidity." (Marijuana Grower's Guide. Mel Frank. pg. 123)
 
Bizzler

Bizzler

Well-Known Member
My humidity is always 20%...and right now my temps are getting up in the 90's high and my lows are 80.
 
DrGreenFinger

DrGreenFinger

Well-Known Member
Bizzler said:
My humidity is always 20%...and right now my temps are getting up in the 90's high and my lows are 80.
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“Marijuana will grow fine in temperatures from 60-90 degrees Fahrenheit, but keeping it in the mid to late 70’s will encourage faster growth than either extreme.” (Ready, Set, Grow – High Times Grow DVD).

“…the concentration of THC was 18 times higher at 75-75 degrees F than at 90-54 degrees F.” (Mel Frank. Marijuana Growers Guide. p 120)
(the above sets of numbers are day and night temps).

I'd say you're losing, Dude.
 
Bizzler

Bizzler

Well-Known Member
Yea but I cant control the heat. I was thinking this will be my last grow befor summer hits.....Didn't know if I should even try to grow when the temps hit in the hundreds. If Plants WILL grow and not be a waste of time I would do it.

My 2nd link in my signature is my current grow...
 
DrGreenFinger

DrGreenFinger

Well-Known Member
Bizzler said:
Yea but I cant control the heat. I was thinking this will be my last grow befor summer hits.....Didn't know if I should even try to grow when the temps hit in the hundreds. If Plants WILL grow and not be a waste of time I would do it.

My 2nd link in my signature is my current grow...
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AC unit...Walmart...$89.00!! :weed: :peace:
(if you have a window :mrgreen:)
 
D

DR. VonDankenstine

Well-Known Member
DrGreenFinger said:
“Marijuana will grow fine in temperatures from 60-90 degrees Fahrenheit, but keeping it in the mid to late 70’s will encourage faster growth than either extreme.” (Ready, Set, Grow – High Times Grow DVD).

“…the concentration of THC was 18 times higher at 75-75 degrees F than at 90-54 degrees F.” (Mel Frank. Marijuana Growers Guide. p 120)
(the above sets of numbers are day and night temps).

I'd say you're losing, Dude.
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whats green and slimmy and smells like PORK????
 
D

DR. VonDankenstine

Well-Known Member
DrGreenFinger said:
:confused: :confused: :confused: your point? kinda screwin' up this guys thread, don't ya think? :idea:

:joint: smoke somethin', dude!
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Your right---I apologize----Sorry-------smoked some crazy shit at the time of post---seemed funny at the time(all your book quotes in the thread) just thought i'd throw in a little joke to lighten things up a bit.

Keep your veg cycle as close to 40% and your temp as close to 78 deg unless your are supplementing co2/your plants can handle a higher temp up to 84 deg ideal with supplemental co2. keep you flowering room the same.
 
DrGreenFinger

DrGreenFinger

Well-Known Member
DR. VonDankenstine said:
Your right---I apologize----Sorry-------smoked some crazy shit at the time of post---seemed funny at the time(all your book quotes in the thread) just thought i'd throw in a little joke to lighten things up a bit.

Keep your veg cycle as close to 40% and your temp as close to 78 deg unless your are supplementing co2/your plants can handle a higher temp up to 84 deg ideal with supplemental co2. keep you flowering room the same.
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you're cool as hell DocVanDank :joint:, but i have to disagree with ya on one important point. that 40% RH value you quoted as being for the veg cycle is actually the number you shoot for during flowering (40-50%). check it out. for the veg cycle you want about 75%, definitely over 60.

keep smoking that killa! bongsmilie
 
YungMune

YungMune

Well-Known Member
you guys are fools....40 50 humidity during veg but the last month of flower you want to lower your humidity to 20 to prevent mold...idiots and NO a plant flowering in 75 degrees vs one thats in 90 degrees would not have 18 times more thc.
 
DrGreenFinger

DrGreenFinger

Well-Known Member
YungMune said:
you guys are fools....40 50 humidity during veg but the last month of flower you want to lower your humidity to 20 to prevent mold...idiots and NO a plant flowering in 75 degrees vs one thats in 90 degrees would not have 18 times more thc.
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You should be ashamed of yourself for that post. :lol: I would love to see you grow under these circumstances. :lol::lol::lol::lol::lol:
 
mygirls

mygirls

Medical Marijuana (MOD)
for veg you want a high humidity. i can get mine as high as 80% naturally. flower the lower the better. flower i run 87 degrees with my hum at 32%. most of the time my hum. is 26%. all naturally. this is how to get the dense hard buds.
 
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