Quote Originally Posted by headshake
do you have a sealed grow room?

a good tip is to read your ass off. if you don't know a solid pH then you have no business running co2.


-shake
/agree 100%
syde00 Reviewed by syde00 on . CO2 Can anyone please help me im looking to use co2 in my room and i would like to do it as cheep as possable as funds are limited is there any way i can use a co2 fire extinguishers or somthing like that but no candles thanks also what is a good PH soil level and if antone eles has some tips to get a high yeild i would love the help Rating: 5