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What is safe RH level during early flowering?
noobnoobstarted grow question 4 years ago
Looks like weather's gonna be a bitch. Forecast for next 10 days is 65-75% RH. Now it's 60 indoors and 64 in tent. Got some silica gel in tent, next I will put portable AC/dehumidifier next to tent. What would be good RH that I should aim for?
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DoDrugs420answered grow question 4 years ago
With your temperatures you will want to maintain 52.5% to 62.5% during this phase of early flower.
During mid and late flower if you maintain the exact same temperatures its 40% to 50%.
If the temperatures change the indicated RH value changes as well.
DoDrugs420answered grow question 4 years ago
The higher the temperature the higher the "safe" humidity and lower temps, lower humidity.
There is a chart for it but i can't upload pictures and im not into transcribing 10000 numbers 1 by 1.
So temps like 35°C your gonna want 70/75% RH.
Temps like 20°C your gonna want 40/45% RH.
Its all about transpiration, people can tell you an exact value for RH for each stage but unless you keep the temperature at exactly inbetween 25°C and 28°C there is no point to lower the humidity if you have temperatures of 32 or 33°C because it would hurt the plant.
Got it?
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neuraxisanswered grow question 4 years ago
High there!
Vegetative : 50-70%
Pre flowering(first 2 week of flowering cycle): 55-60%
Flowering : 50 %
Last week : Gradualy down to 40%
Harvest/drying : 45-50 %
Good luck with this NL!
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