You can use molassis in a folia spray format..... and super thrive in your res.
If you decide to put molassis in your res it has been said to use H2o2 to help dilute the molassis...
Not necesserly for organic/ soil only..... some do use on MJ hydro just in folia spary.
It is a super carb - or sugar.... sugar in this format is a huge PART OF ANY PLANT GROWTH.
It is said to help increase wieght by increaseing fatty amino acids and sugars within the flower cells.
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edit
I DONT WONT AND NEVER WILL USE MG - so no comment.
Sorry thought you said ST