Tag Archives: mercury vapor light

Cannabis Lighting w/ Mercury Vapor Lamps

The oldest and most well-known member of the High-Intensity Discharge (HID) lighting family is the mercury vapor lamp. These lighting systems were developed in the early 1900’s and didn’t really catch on until about the mid-1900’s. Mercury lamps are not the best for growing due to its poor lighting spectrum and very low lumens-per-watt which makes…