Well its diffenantlly not the "wrong" color
spectrum, it just works better for flowering.
It involves the reds and yellows. Now, I've
used hps 100% in my last three crops and
have had nothing but great success. Here's
my gallary on overgrow.com
shows what HPS can do http://overgrow.com/edge/gallery.php...&rt=1127324501
So if your saying hps is all around the wrong lighting spectrum for
vegative state of Marijuana, I would have to strongly dissagree.