To dissolve or wash out soluble components of soil by heavy watering.
A plant that is abnormally tall, with few leaves - usually caused by lack of light.
A series of growth stages through which cannabis must pass in its natural lifetime - the stages are a seed, seedling, vegetative, and flowering.
A device that moves a High-Intensity Discharge (or HID) lamp back and forth or in a circular path across the ceiling of a grow room to provide more balanced lighting.
Light-Emitting Diode (or LED)
Cutting off lover, secondary plant branches to encourage primary growth.
Calcium compounds such as dolomite or hydrated lime that determine or alter soil pH level.
Chemically sensitive paper used to indicate pH levels in colorless liquids.