Super Horizontal lamps provide 12% more light output than Universal, but must be burned in a horizontal position. Metal Halide lamps provide a light that is blue-orientated in the spectrum. It is the best type of light to be used as a primary light source (if little or no natural sunlight is available). This type of light promotes plant growth.
Super Horizontal lamps provide 12% more light output than Universal, but must be burned in a horizontal position. Metal Halide lamps provide a light that is blue-orientated in the spectrum. It is the best type of light to be used as a primary light source (if little or no natural sunlight is available). This type of light promotes plant growth.
