- The Boost Buddy CO2 bag is an efficient and uncomplicated helper for smaller growing areas of approx. 1.2m2. It supplies plants with the CO2 they need over a period of more than 6 months. Compared to other similar bags, it produces 5 times more CO2. The bag works 24 hours a day and is suitable for vegetative growth, flowers or fruit. After its lifespan has expired, it can be used as garden compost.