Please not in human living area's such as closets in houses. There are some good threads here if you search. You need very good air exchange system.

Co2 is heavier than air and can displace all oxy and suffucate you.

It will give very good result if used right.
LOC NAR on probation Reviewed by LOC NAR on probation on . Co2 setup in my flowering room i will have a co2 setup to speed up slowering and i was wondering if 10 lb should be insufficient Rating: 5