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Also, thanks for the link to the NASA study.

Are uv-a chips truly effective or would a florescent reptile light work best?

I see lime LEDs (549nm) at both cutter and rapid led. Would these be a good addition to a blurple light (add the wavelengths that are lacking)?

Nevermind, hlg has a much better product for about the same price. And more variety.

Diy cob light. 4 3000k vero29se

Hi guys. What do you think about the "red booster sun board" on eBay? (Not able to post links yet). It is 24 volts and 300-500ma.

Nice

4'x4'

Are 2700k cobs useful? I see most people use 3000-4000k for full cycle lights.

Hi all. I have a meizhi 1200 (too cheap to pass up). Now I realize that the spectrum is overly blue heavy. Could I supplement with either 3000k strips or cobs? Or with 660nm red light?