cannabis lights
There are newer types which are a little more efficient, but the increase in light is of only marginal help. VHO (very high output) FLUORESCENTS are also available. They use about 3 times the electricity of standard fluorescents and emit about 2½ times the light. While they are not as efficient as regular fluorescents, each tube delivers 2½ times more light to the garden. The inner surface of each fluorescent tube is covered with a phosphor which glows when tickled by the flow of electrons through it. Fluorescent tubes are named for the spectrum of light which they emit. Some of the spectrums are more conducive to cannabis plant growth than others. Deluxe warm white, warm white, and deluxe cool white are three types which promote fast growth. Special grow bulbs concentrate light in areas used most efficiently by the plant. However, they are fairly dim and plant growth is slowed when they are used.