Probably 99% of the people that have been doing this (indoor) for awhile use hps for flowering. Reason? It's the best at this point in time. Use it and the closer you can get it without it burning your plants the better.
Marc Benson Reviewed by Marc Benson on . how far should 1000 watt light be from.. planst in flowerinhg stage okay im in floweriing stage about 5 days into ;it they look good i got it about 10 inches from tallest on 1000 watt hps bulb they looking nice and green is this too close ive had my had there for a FEW MINUTES DIDNT GET VERY HOT??? Rating: 5