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I am using LEDs and they have been working great. I have four of the Samsung SF1000s. LED technology has come a long way over the past fees years and they are really good.

I might give it a try again. But will need to start from scratch, I don’t have anything. What size of tent for those 4 lights? I’m guessing the led has a lower consumption and less heat, right?

My tent is a 4x4. LEDs do use less power and dont put off as much heat as HPS do but they still do put off heat.