My girls have been vegging for 11 days now, and they seem to have problems. They are on the Lucas formula (0-5-10). Though this looks like a PH problem to me, the PH has been running between 5.5 and 6.0. I just got done with a complete flush. I cleaned everything. The plants are clones taken from my mother plant. I have grown this strain in my two previous grows with no problems. The strain is unknown, it is bag seed from some real good hydro that seeded. Their leaves are curling up. They look like taco shells. The stems and stalks have turned dark purple. Some discoloration on some of the leaves. Here are a few pics. Any help here will be greatly appreciated
My air temps inside the box are between 80 and 85 degrees. I am using a 400W MH conversion bulb with my HPS ballast. It is in a sealed, air cooled reflector. The light is about 15" above the tops.