cannabis plants love humidity. most plants do. The only time high humidity is a bad thing is during the flowering cycle. When high humidity, especially drastic changes between day and night, will lead to budrot. For flowering humidity levels are best kept below 50% during the day and around 40% at night.
For the vegetive stage high humidity will aid photosynthesis and speed up growth. Levels of 50-70% are helpful, but not necessary.
If your humidity is truly that low you should foliar feed your plants twice a week during vegging and up until the 2nd week of flowering.
Use a half strength grow solution. adding a little fulvic acid and Thrive alive is great too. You can even add all this to a microbe tea and spray it all at once.
Give a fresh water foliar on occassion as well…:-)
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