When cannabis plants experience a light shortage during the vegetative stage they will stretch. They are searching for more light.

A light shortage during the flowering stage results in soft, low quality buds.

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More lighting related terms:

Lighting | Light cycle | Dark cycle | Light distribution | Light spectrum | Blue light | Red light | Nanometer | Light tight | Lumen | Lux | Reflecting light | Lamp height

HPS lights | HPI lights | LED lights | Compact fluorescent lights

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