A HPS will ALWAYS give you a higher yield than using flouros, but they definately have their place for sidelighting during flowering (to give a few more grams and denser buds).
Swizzy89304 Reviewed by Swizzy89304 on . Buying a light tomorrow - NEED HELP CHOOSING I decided I'm gonna pick up a 400 W HPS tomorrow from bghydro and get a hortilux bulb for flowering and MH conversion bulb for veg. I need help picking a light. I'm gonna be growing in a closet and I've been reading a lot about lights getting too hot. Out of the lights at this link, which do you guys think would be the least expensive option that would run cool enough so that heat wouldn't be a problem? please take a look and offer suggestions. here's the link: Rating: 5