The amount of light your plant needs vary on the type of Marijuana you grow. Cannabis Sativa have less chlorophyll than Cannabis Indica, thus they require more light exposure. Select the type of lighting needed by the breed you intend to grow. Lights must be properly installed and must maintain a certain distance from the plants to prevent the plants from overheating. You can determine if your plants are overheated by inspecting the tips of the leaves .Shriveled leaves would mean that the plant is over heated. Ensure that the room also has proper ventilation to dissipate heat which also prevent overheating. There are different kinds of lighting used Listed below are the popular types used by growers.
Fluorescent lights are the cheapest and the most readily available type of lightning used. These lights come in varying lengths have an average length between 2-10 feet. There are different kinds of fluorescent lights: the Grow Light Fluorescent produce blue spectrum while the Compact Fluorescent Light (CFL) produces red and blue spectrum. CFL is the best choice among small scale producer sand is favorable for flowering plants . Although cheaper than most lighting equipment, they produce less light. Fluorescent light have an average of 10- 300 watts.
Metal-Halide lamps (MH) are efficient high intensity discharge (HID) lamps which are popularly used among large indoor production. Although MH lamps are more expensive. they are efficient and produce more heat. Plants grow rapidly during the vegetative state and need blue spectrum light naturally found in sunlight.MH lamp are available from 75 watts to 4000 watts and produce the blue light needed by growing plants.
High Pressure Sodium Light (HPS) is a choice for growers who want quality spectrum distribution.HPS do not produce the same amount of blue light that the Metal Halide has but the HPS contain red and yellow spectrum which effectively stimulate flowering plants.HPS is considered as an average lighting system and have a long shelf life.
Horticultural Light is a kind of HID lamps which are developed by seasoned horticulturalists. This type of light is an essential tool for your plants to thrive , it is specifically designed for the needs of indoor plants. Horticultural lights have a price range of about $250-$300. The lights come in varying wattage and sizes and the kit contains a ballast, timer ,bulbs and reflectors.
The last type of light is the LED light. LED light is an energy saving light that also produce less heat .This reduces the chance of your plants from being overheating and fire hazards.