Hi fellow growers, I'm french and speaks little English, sorry.
I grow in a box 4 * 4 * 6.6 with AAW and a 400W bulb CMH Retro-white with correct results (organic of course).
My project is to make a lamp for mothers with 12 CREE XML2-U2-4C + 3 LUXEON LXM3 PD01 deep red top bin, driven at...