Co2 Questions please help

Fuckbudz

Member
I have a 12 by 8 foot area in my garage that has poly paper separating my flowering side from my veg side. I have 2 1000w lights in my flower side with 15 plants under each light. They are almost 2 weeks in I want to get c02 going in the flower side but I have some questions on how it works.

1. Does the room have to be air tight?
2. Does the co2 have to be ran with an air conditioner?
3. Is co2 safe?
4. How much co2 is released at a time and how often?
 
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