Originally Posted by somewhatshocked
You want a fixture that produces lighting that's at least 6500K in color temperature.
This is not true. 2300K, 3200K, 4100K, 5000K, 6500K, 7500K, 8000K, 10000K... I've grown lush plants with all of them. All you need is enough of the kind of light you are providing.
My personal preference is 4100K, smooth spectrum.
I'm not sure why this 6500K "rule" keeps being passed around. I'm guessing it's marketing.
Jeremy Squires, Toronto, ON
One should never have to decide between chocolate, cake, or cookies.