Temperatures in my area are staying in the 30s now. We keep the house somewhat cool, so the temperatures in our tents are cooler (60s or so). Should we still have the fans on in the grow tents?
You should get a space heater to get the temps in the 70's. Fans are always needed to provide air circulation to prevent mold, pests and strengthen the plant.
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Thank you all @D K @mwhite9829
I was going to answer but @D K and @mwhite9829 beat me to it lol
If you're in the last two weeks of flower, then you're fine, but I would still have fans on for air circulation to prevent bud mold/rot.
You should get a space heater to get the temps in the 70's. Fans are always needed to provide air circulation to prevent mold, pests and strengthen the plant.