What is the best light for hydroponics?

Question by Kaylee Stephens: What is the best light for hydroponics?
I am wondering what the best type of lighting system to get would be on my grow box. I have seen grow boxes with metal halide lights, high pressure sodium light, LED disfuncion erectil lights, and fluorescent lights. What is the best light for hydroponics and yields?

Best answer:

Answer by Sarah
hard

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