LESSON 16 - CO2




Increasing the amount of carbon dioxide your plant is exposed will make your plant grow much faster. Carbon Dioxide can be used at any time during the growing cycle, but because of it's expense, it is advised to use it during the flowering period. The whole cost of a carbon dioxide tank system varies but usually costs around $300 to $600. A cheaper method is called fermentation, this is where yeast destroys itself and carbon dioxide is what is produced. Natural gas also contains carbon dioxide, but the actual heat may be a problem, propane is good for this. If you use carbon dioxide during the flowering period you will actually only need half as much as the vegetative state as the lights switch to 12/12 the plant will not need the carbon dioxide during it's night state.


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