once your buds are completey dry, take some food color (your choice) and do ratio 2/3 food color 1/3 water. Mist onto buds daily after.
--- I think this would work. The color in your plants while growing only change depending on different pigments in molecules (anthocyanin, chlorophyll), so I don't think using a dye while feeding would work.
--- I think this would work. The color in your plants while growing only change depending on different pigments in molecules (anthocyanin, chlorophyll), so I don't think using a dye while feeding would work.