24 x 1000W HPS light perfect room, with no air out vents, CO2 is supplied by a burner, also includes a sulfur burner to control mildew, a charcoal system to control the smell and clear the air and a dehumidifier to control the humidity. This medical marijuana

My natural treatment for white powder mildew on cannabis plants. Disclaimer::::::::::: This was done in a state where medical use of cannabis is COMPLETELY legal with the possession of a medical marijuana card

1600 Marijuana Plants Discovered In Vancouver Neighborhood.