Harley Smith, a pioneer in hydroponics, teaches how to create the perfect environment for maximum yield and supreme quality. Harley talks about calculating carbon dioxide dosage and supplementation options for balancing out the chemical needs of the plants. Moreover, Harley also talks about ideal conditions including temperature and humidity controls and tips for growth dealing with roots, environment and water.
CO2 and Environmental Control (35 minutes)
Complete Harley Smith Master Grower Video Library(2)
All 14 Video Lessons from the Harley Smith Master Grower's Video Library