For the purposes of growing marijuana, there are two basic types of lights: fluorescents and high intensity discharge (HID), including MV (mercury vapor), MH (metal halide), and HPS (high pressure sodium).

• 对于种植大麻来说，有两种基本的光源：日光灯和高压放电灯(HID)，包含了水银灯(MV)、复金属(卤素)灯(MH)和高压钠灯(HPS)。