Im past my 8th week of flowering and the buds are forming, but they are growing very slowly. The buds have developed the white hairs, but they are already starting to turn brown and arent bushing out with crystals. Im using 8 40 watt cfls, and two 100 watt halogen floods. The temps are around 75 in light and 65 in dark. They get ferts once a week. Can anyone make a guess at why my plants could be growing so slowly?