HPS definatly better for flowering. MH is good for vegging. HPS gives better overall yield, while MH cuts down flowering time by up to a week. Do you want quality buds or buds you can have in a shorter time? You make the choice.
Dimebag Reviewed by Dimebag on . HPS vs. MH Lights - Big Difference? you will lose out on yeild as the HPS will give you fatter tighter bud's.have a look on ebay for a light,there alot cheaper than getting it from your local grow shop and safer if you live in the U.S Rating: 5