I have a 400 watt MH setup from HTG Supply. What kind of results will i get if i try flowering my plants with this bulb compared to a 400 watt HPS or with a conversion bulb for my current setup?
dgsgandalf Reviewed by dgsgandalf on . Answers about CFL, HPS, How Much Light... Although I'm still kind of a new poster, I keep seeing a lot of the same comments--many of which are answered an Dr. Khronik's excellent El Cheapo Guide to Lighting. But there are a few things I'd like to add in regard to watts, lumens, cfl, hps, and efficiency and how much light you need. Maybe this should be stickied? Watts have nothing to do with light or growth. Watts measure how much power a light fixture uses to produce light. You can tell how efficient a light bulb is by looking Rating: 5