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For only pennies a day, Johnson Gas CO2 Generators can improve plant quality and provide the carbon dioxide necessary for maximum growth. During the winter, shorter daylight hours limit plant growth, so it is essential to provide a normal summertime CO2 saturation rate. With little to no outside air exchange, plants can use up all of the generated CO2 gas to achieve maximum growth rates. The Johnson Gas CO2 Generator can easily be installed in any greenhouse with no expensive ductwork and the CO2 is diffused evenly through the greenhouse. It is important to monitor and add additional CO2 to the greenhouse for optimum growth. Contact CropKing for more information on this Johnson CO2 generator.