I'm not sure what the extreme lows can be, but if you can keep them around 60 I can tell you that you have NOT to worry. Just so you know, I was WAY under that in my last grow. I don't recall the exact temps, but I'm sure it was below 50. If you can, I would try to keep them around 65 while the light is off. It's starting to get nippy around me as well. Even though the nights are starting to drop, I still take my pots out for all day sun
Pass That Shit Reviewed by Pass That Shit on . Cool temps and their affects? I am running a Hortilux 1K and temps range from 72 to 79 when light and active intake are going. When light and intake are off I am at about 70d, which is fine right now. What is too cold? The reason I ask is because as it becomes colder where I am I can see the dark cycle getting down to the low 60's, even lower in some points of the year, but I can control it and keep it from going under 60d. Any thoughts on ideal temps for dark cycles? During light cycle 70's are ideal IMO, but I am not Rating: 5