I am curious why you were spraying SuperThrive so often and what proportions of SuperThrive to how much water you used?
 
I have never sprayed my plants with SuperThrive so I have no idea if that can or cannot cause any sorts of problems but if so I would tend to believe it was from overuse … though I cannot imagine it could cause them to hermi. If you overuse it when watering it can inhibit root growth and your plant’s leaves will roll up and look like joints or cigarettes. I had than happen when I first started to use SuperThrive and did not read the instructions fully and used the ¼ teaspoon per gallon watering mixture for every watering instead of the one to a few drops per gallon for every watering.
 
Also I find it difficult to believe that even if how you mixed and used SuperThrive that it could cause such a dramatic change, as in the needed amount of growth to produce a male flower on a female in only five days.
 
I have to believe there is some other cause, if it is indeed a hermi as it does appear to be to me, and what you have done is look for a cause and effect and connected the wrong dots.