I've noticed that my humidity in my tent reaches 70% during the night time, but drops to 57-60 in the daytime when the light is running, the increase only happens when the light is off, is there anything I should be worried about? the temp stays at 70-75 degrees 24/7
Are you running an extraction fan or just an internal one? An extraction fan would solve the excess humidity problem.
If you have a humidifier, switching it off at night would be my first idea, as cannabis does not really need extra humidity (at all), and certainly not at night.
After looking through your diary, I would suggest that you don't stop the grow nutrients too early, you really shouldn't start with the bloom nutrients until the flowers have formed small "tufts" of pistils or "budlets".
Certainly don't begin with just bloom nutrients when there are only preflowers/primordia on the stems, as your plant still needs adequate nitrogen in early flower. It is only third/half way through flowering that nitrogen requirements really drop off.
Hope this helps, Organoman.
Some strains are more resistant to high humidity that others. If you are growing a strain that is vulnerable to bud mold from high humidity then a dehumidifier should be considered.
The reason for your rise in humidity at night could be from your A/C not running asuch at night due to the drop in temp outside.
Central air conditioning in most houses will naturally dehumidify the air in the building. So running less at night could be the reason for the rise in humidity.
Hope this helps! ✌️
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