If you use tabs for CO2 do not mix with organic nutrients or in the soil as CO2 can sufficate microorganic forms of life
karmaxul Reviewed by karmaxul on . CO2 sources? I need some Ive grown a couple times already, so you can understand why I'm embarassed to be asking this question now, but what are some sources of CO2 that are simple to use? and im not talking about machines or anything, i have no room for that shit. Rating: 5