Live Stoner Chat Lets talk Humidity

[true]

Humidity is something Ive never really bothered with.
Ive always had low room humidity, approx 20/25% and I always thought lower the better. Mainly worrying about the dreaded rot and mold.

Now Im growing photo varieties I can maintain the veg period as I see fit.
Ive been wrestling with my new system but hopefully now Ive turned the corner.
As such I want to have a good couple of vegging weeks and really treat my ladies.

So today I thought about Room Humidity and Im thinking I will buy a humidifier and create the best atmosphere I can.
What do you folks use?
What do you think is the best RO for clones, vegging and flower?

Lets hear it people :tiphat:

 

[MedGrower]

Boy I wish I had just 25% RH. I am under impression that somewhere between 40 to 60 would be optimal but rather lower than too high since cannabis is not a swamp plant.

I got a dehumidifier as I have the opposite problem.. always there between 70 to 80 RH. It is easy to increase it but not to remove.

This is a good subject. Id like to hear expert growers opinions on this matter too.

 

[Corgy]

Dunno, but maybe this is of some help.....it corresponds well with what I know from other crops http://www.theweedblog.com/what-is-the-right-humidity-level-for-marijuana-plants/ and http://www.growweedeasy.com/humidity

Nutrient Problems

• Humidity is a factor that partly determines how much your plants will drink. If the air is dry, your plants will tend to drink more. If they’re already drinking a lot due to high temperatures, low humidity can cause them to drink a lot of water and uptake too-high levels of nutrients. If your plant takes in more nutrients than the plant can use, the leaves will begin to show yellow or burnt tips, which is the result of nutrient burn. Sometimes too-low humidity can cause other apparent nutrient problems.

​

Slowed Growth

• Cannabis plants love higher humidity when they’re young, and lower humidity when they’re mature. To be frank, if they’re not getting these conditions, they’re not growing nearly as fast or healthy as they could be.

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[oldster]

Hi True, most experts seem to recommend 50-65% for the active veg period and something like 25-45% for flowering.

 

[Jtsmoker]

Dam I'm doing good tru vegging 60% and I'm out of co2 I had to vent my grow house and now down to 26 %

 

[Rhyce Saroni]

This is what I wound up using... Slowed down my exhaust fan, set humidifier to 60% RH, maintaining 82-85 deg, 65% RH (at plant level). Plants are happy.


No de-humidifier for flowers... Yet... I struggle to keep my flower tent RH at 48 and it's usually in the 50s... So right now, I'm exchanging the air in that tent at 270 cfm/150 cf tent. Also using an oscillating wind fan...

Still refining my RH methods... Pretty set on the veg tent though. I can dial in both the RH and Temp in that box.

 

[gmgeoff]

I'm in a southern state with high humidity. My grow area is open to the house, mainly because of heat issues. I just had to buy a humidifier as it was getting to 70% in the house because my A/C doesn't run continuously and does not remove enough water. Now I'm now in flower. Even with the addition of the humidifier, I still can't get it below 50%.

Assuming I can avert any mold issues, how much will this effect my curing process and finished product and if I can't get it lower?

 

[Jtsmoker]

If you dry your weed slower it's more flavorful I dry in a dark room with no moving air my tree tast like they smell so bomb and then I glass jar them with jars with wood lids and check it daily till I'm happy then to the canning jar

 

[Rhyce Saroni]

This is what I strive to maintain in each area veg/flower. It requires both humidification (veg tent) and de-humidification (flower tent) equipment to get it consistently. Worth the cost in equipment and electricity for the return on investment... If you know what I mean... It's taken me a month or so of experimentation to get here but now it's set it and forget it mostly...

 

[hecno]

Dunno, but maybe this is of some help.....it corresponds well with what I know from other crops http://www.theweedblog.com/what-is-the-right-humidity-level-for-marijuana-plants/ and http://www.growweedeasy.com/humidity

Nutrient Problems

• Humidity is a factor that partly determines how much your plants will drink. If the air is dry, your plants will tend to drink more. If they’re already drinking a lot due to high temperatures, low humidity can cause them to drink a lot of water and uptake too-high levels of nutrients. If your plant takes in more nutrients than the plant can use, the leaves will begin to show yellow or burnt tips, which is the result of nutrient burn. Sometimes too-low humidity can cause other apparent nutrient problems.

​

Slowed Growth

• Cannabis plants love higher humidity when they’re young, and lower humidity when they’re mature. To be frank, if they’re not getting these conditions, they’re not growing nearly as fast or healthy as they could be.

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You ma man have just sorted a problem I have , now I know why , 1 big rep slap for you .