• Great for bumping up the CO2 in your hydroponic or greenhouse setup
• Rated to support 2-4 plants for up to 6 months
• Made from Australian materials and fungal matter in a 4×4 grow tent, the release of co2 is 1000-1300PPM

Instructions: Very simply place the bag in the required area and the Co2 will emit through the filter. (no need to open the bag or do anything else)