There's a lot of pink in there. My results with burple lights (i had lots of them) have always been quite bad till i learned to supplement the spectrum by adding white. I used to add floros, but i guess now you could add screw in leds or some kind of while cobs for cheaper than floros or cfls.
But many years has passed since then, now those old panels are out of use, and with new panels that are mostly white leds I get much better results.
But many years has passed since then, now those old panels are out of use, and with new panels that are mostly white leds I get much better results.