hey i just started 5 seedlings,they've been unger a 18watt under cabinet flu light 4 10days, ? how long should I wait to put them under a 250w mh, also would it be benefical to add a 230 watt hps conversion lamp on during veg state? been growing outdoors 4 yrs, my 1st time indoors,i purchased a 3x3x6 grow hut & have like 10 250mh & 15 175 watters. :stoned:
flyinhi66 Reviewed by flyinhi66 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