I am guessing no one here is familiar with it. There are so many references to it on line, but no details of amounts. If I remember the hand sanitizer was 1 drop GSE to an ounce of water, so maybe something less than that for plants?
Here is one site I found,
http://www.nutriteam.com/garde...
I hesitate using this internally, because I do not know what their source of glycerine is. Apparently they changed their formula in recent years.
