Rated 5 out of 5 by 1
Rated 5 out of 5 by knickatnight Sweet bulb, instance hot restart from power outage.
You would have to look hard to find a better bulb. When I use the overdrive switch on the ballast, I get 170,500 lumens from this bulb. And best of all it's not a used bulb like the ones you get at the grow shops.
July 4, 2013