Jayfar, the issues raised in one of the articles regarding a ban in some states & status as an unregistered pesticide are the issues to which I was alluding earlier. Thanks for the reference. Snake oil is an appropriate description.
I never got any results from Superthrive and if you use too much you can have deformed blooms. I had that happen on one plant. The only supplement that has worked well for me has been Maxicrop Liquid Seaweed. Maxicrop is great for stimulating root growth.