watt for watt I would expect the HPS to outgrow the T5HO as the lumen ration is abut 20% better. However, the plants use certain spectrum of light so it would be good to see the comparison. As far as LED, I still see most if not all commercial and academic greenhouses using HID lighting for the plants still. I expect that someday that will change.
Shovelhandle Reviewed by Shovelhandle on . Will 150w HPS outperform 372w of T5HO? Well, I'm going to Find out! Only really applies to me and my particular grow, but a worthy effort anyway. A couple day's ago I put two under the T5's, and two under the HPS. I think the HPS at 150w is about 18,000 Lumen?...and the T5's are pushing 35,000 Lumen. I will throw a couple pics up when the "wakeup" tonight, should be interesting anyway. Predictions? Rating: 5