Understanding HID (MH/HPS) Grow Lights – Lighting Buyers Guide

High Intensity Discharge "HID" - Lighting HID, what is it? Firstly, HID stands for High Intensity Discharge. In easy terms, its a type of light bulb, a very large light bulb (some about the size of your forearm) Its a sealed tube filled with gas, and creates light when the gas is ignited. A regular household [...]