jblaze28
Well-Known Member
okay im new to growing this is my second post i'm wondering about co2 how much to use how many ppm to put into my room my room is about 6x6x3 room 6 height 6 long and 3 width completely sealed off room what do i need in order to get co2 going into my room ive heard its a waste with a small set up but then again ive heard that it was an absolute must