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So the question I have is do you guys run your vent fans during the dark hours?. If so please explain why I should. The reason I am asking is with split air cooling and co2 enrichment in a sealed room I'm wondering if I'm just wasting money running vent fans at night.

I currently run 3000 watts in a 10x15 space with air cooled hoods. My question is should my exhaust fan run the whole time the lights are off giving it fresh air? I currently use co2 during the day so I set my fan to come on for 12 minutes every hour. Just wondering if there is a benefit to...

First off my room is 15x10x9.. I am running 3 1000 watt ballast which are air cooled. My major concern is temperature due to using a burner type co 2 generator. I've always heard and read that 85 was optimal with co2 use, Is this correct? What is a safe range to go by? Also, I'm...

okay i just finishing up my first round. 2 1000 watt lumitek. lemon skunk, sour cream, cole train. the lemon skunk was very dense to my likeing but the other two were kind of whispy. they look great but just are not as dense as i prefer. did i make a mistake or is it just the different strains...

im running a 8 tube t5, rapid rooter tray and plugs, keeping the light 6 to 8 inches away from the dome. 2 seeds popped up and were nice and green i could even see a regular leaf begining to form. but today they look a shade of brown and a little shriveld. tepature in room is around 80. the...

i am germinating seeds in a starter tray with rapid rooter plugs under a 8 tube t5. i currently have the light 6 inches awayand run them 24 hours on. the tempature is around 80 degrees. 2 seeds sprouted and looked very healthy. it seems now they are turning a brown color and kind of drooping a...

my seeds are in rapid rooters under my t5. just took dome off. lights are 24/0. what distance do i want the t5 away from my tray?????/

now that my seeds have been germinated, im putting them in rapid rooters in the rapid rooter box, do i keep the lid on or leave it off? im using a 8 tube t5 to start and veg. and planned on 24 / 0 lighting. i also wanna thank everybody in here for helping me correctly set up my coolers and...