That's a nice looking panel. What's the cost?

I'm thinking you are going to want some diodes in the 680nm wavelength.
bigsby Reviewed by bigsby on . LED vs. HPS are leds better then HPS and do you need differnt lights for each stage does anybody know i think im going to switch for power purpose but i need to know if you need differant lights and which types of leds anything would help and what siz LED will grow the same area as a 600w HPS thanks for any information Rating: 5