Sad little bubblegum please help her

Here is my bubblegum plant she is 40 days from seed

she is under 331 W flouro's fed with blood and bone meal and 20-20-20 MG and 1/2 dose

please tell me whats wrong with her.

to strong of fertilizer you need to flush the soil and not feed it such harsh ferts.

yeah man too much

Figure 14

Potassium (K) Toxicity:
Usually not absorbed excessively by plants. Excess potassium can aggravate the uptake of magnesium, manganese, zinc and iron and effect the availability of calcium.
^^^^^
sounds and looks like too much listen to what these guys are saying