Separate names with a comma.
Do not let light anywhere near your roots. And mix some nutrients if possible. I have always used General organics Go Box, it's my favorite. And...
LEDs are always better than HPS. I used to use HPS lamps, sometimes the excessive heat used to dry my leaves out and it used to be very annoying...
I actually found this light to be very useful from all the research that I have done. Saw a few friends use this light for their grow garden,...