Let s imagine the temperature in your grow room is 30 c 86 f with a relative humidity rh of 33.
Grow room humidity flowering.
Ideal grow room temperature and humidity varies depending on the stage of plant life.
Once the lights are no longer on in the grow room the temperature decreases and extracting a lot of hot air is unnecessary which usually is the cause of humidity increases.
By setting your grow room to the right humidity level your plants flourish.
You can start growing with a humidity of around 70 and go down by 5 every week until you get to a.
As plants approach harvest some growers lower humidity down below 40 or even less to force cannabis buds to produce more resin though i ve seen that can majorly stress some plants so that technique should be used with caution.
Naturally this is determined by the length of the marijuana plant s life cycle.
So it s important to create the right humidity in your grow room.
Once relative humidity levels reach over 100 the surplus of water can no longer be held by the air and will condensate into water droplets such as fog morning dew or rain.
They open their pores respire co2 and grow quickly.
There are two basic factors that can easily be forgotten when we re busy thinking of other ways to increase yields size and overall health of our plants temperature relative humidity.
Nourish your plant with water once the lights are on that way they will evaporate most of the water throughout the day.
Ideally the relative humidity of your grow room should be lowered to around 40 50 at the beginning of the flowering stage.
Ideal humidity levels vary based on strain season geographic location and whether you grow in or outdoors.
I use a dehumidifier in my grow room.
I m into my second week of flowering and my temp is seventy six and my humidity is fifty four percent.
Cloning requires higher temperature and humidity than vegetative growth and flowering plants have different.
Learn the ins and outs of humidity its impacts on your cannabis plants plus how to lower humidity in grow room setup to control your climate and give your garden the ideal conditions needed for potent dense disease free buds with a commercial dehumidifier.
Leading marijuana growers say beginners should look to achieve the following humidity levels in their grow room.
Marijuana plants require a higher humidity in the vegetative stage than in the flowering phase because the root system of young plants is a lot smaller.
Humidity is key for cannabis plant growth and for each stage of your grow there is an optimal grow room humidity level.