LESSON 17 - Temperature




Average temperature in a grow room should not exceed above 80 degrees. Lights and carbon dioxide will often raise temperatures to over 90 degrees so you must have a thermometer in your grow room to check on the temperature. A plant on a cold concrete floor is not really good either as the roots will often get cold and adversely stunt growth so if your area is not carpeted or warm you must elevate your plant.


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