It's OK to run the plants at higher temps when using CO2. Low to mid 80's shouldn't be a problem, low being preferred. Do you know the CO2 PPM of the room and do you dose the CO2 or just keep the room at a certain PPM of CO2?
TANKJR Reviewed by TANKJR on . Temps are a $#%&# Ok so I have a grow log in my sig I'm having a small issue hoping someone can help! So I set up my 1000 dimmed down to 600 over my small girls, I have 5 germ. Right now that are under 400w of floresant I got a 14x8 in a basement sealed off and as soon as I hung my black n white poly today temps shot up from the 74 I always keep to mid 80's and I don't like it... it has me reconsidering my whole set up! My cool tube is set up to pull are from a chimney I put up through the tubes and into the Rating: 5