Maximum Yield USA 2015 April | Page 80

CO2 Sourcing by Grubbycup for Your Indoor Garden As an essential piece of the photosynthesis puzzle, carbon dioxide is an important component of indoor gardening that can be supplemented in a growroom in many forms. Provided you are already up and running in the growroom, and everything is going smoothly and plants look healthy, adding more CO2 will lead to even better-looking plants and increased yields. 78 Maximum Yield USA  |  April 2015