Growroom
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A growroom, or grow room, is a room of any size where plants are grown under controlled conditions. The reasons for utilizing a growroom are countless. Some seek to avoid the criminal repercussions of growing illicit cultivars, others simply have no alternative to indoor growing. They can be grown with the use of artificial light, sunlight, or a combination of the two. A grow room often become excessively hot (relative to temperature range ideals for plant growth), due to the heat generated by the high wattage lamps, the use of supplemental ventilation fan is often necessitated.
GROWING METHODS
The plants in a growroom can be grown in soil, or without soil via means such as hydroponics, and Aeroponics.
LIGHTING
The three most common varieties of lighting for indoor growing are High-intensity_discharge_lamps (the most prevalent for this application being: high pressure sodium and metal halide), Compact fluorescent lamps, and traditional Fluorescent lamps.
Incandescent and halogen lamps generate excessive heat per watt, with a low watt to lumen ratio.
LUMINOUS EFFICACY
High Intensity discharge lamps have the most efficacy in terms of Lumen (unit)s of light produced vs. wattage consumed. Compact fluorescent are slightly less efficient than HID lamps, however they produce far less excess heat in comparison. Traditional fluorescent lamps generally do not produce enough concentrated light to be a primary light source for most indoor growing operations. Fluorescent and Compact Fluorescent are excellent light sources for young plants (seedlings). They are also excellent for supplementing the light generated by primary HID lamps.
VENTILATION - TEMPERATURE CONCERNS
Growing plants in an enclosed environment inevitably leads to concerns regarding temperature. The excess heat generated from artificial lighting are usually the largest contributor to increasing the ambient temperature in the growroom.
VENTILATION - AIR FLOW CONCERNS
An enclosed environment offers many advantages in terms of controllability versus an open alternative. However, issues arise with the finite resources (i.e. oxygen, carbon dioxide etc.), in the finite space (i.e. the closed growroom), being consumed faster than they can be replenished.
Adequate gas exchange is necessary for optimal plant growth.
VENTILATION - ODOR CONCERNS
CLANDESTINE USAGE
Cultivating marijuana is illegal in many countries, thus some choose to grow marijuana indoors, mitigating the risk of doing such. See: [[Legal Issues
(See Grow-op).
- Growing Marijuana - Discussion forum dedicated to cultivation of marijuana.
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