Mother Nature CO2 Generator & RefillsMother Nature CO2 Generator Push Your Plants Growth Further Looking to boost your hydroponic garden's CO2 concentration? Check out the Mothernature CO2 generator! It's an all in one kit that's designed to be easy to use and affordable. Just plug the generator into a lighting timer relay and it will pump CO2 into your grow room, greenhouse, or grow tent during the "lights on" period when your plants need it. With this kit, you can quickly increase your