Or you guys can check out: LED Grow Test vs HPS! - Grasscity.com Forums

It starts off as a grow test between LED and HPS, and switches to two high powered LED blooms with excellent results. The lights in this thread were designed specifically for marijuana. And like Michael, I'm an employee of the company that makes the lights. We're doing a grow challenge against ProSource (Michael's company) that will be featured on various forums starting in a few weeks. Anyhow, you'll want to check it out when it begins as it their Jumbo 180W UFO against our 126W.