if u r just veging then hps is not good, u want light in the blue spec like 6400k
MrLegal Reviewed by MrLegal on . first timer and i know im doing something wrong ok so i've spent alot of time looking into how to do this properly, but some things I'm just not getting. So I've got 5 plants right now, at about 4/5 weeks from seed, four nodes starting fifth nodes, about 5-6 in tall each. Now I was under the impression that the "effective light radius" of a 70 watt hps bulb is about 8-12 in. so all five are within a foot of light source. I water them just enough to keep soil moist so I'm confident that I'm not over watering, temperature stays between 75 and Rating: 5