Ancient thread...
You can click on hatter's username and go to 'find all posts by user'. That will eventually lead you to his log.

Since the time of this posting (1.5 years :wtf I have played with Gravity and still fear it, although now I do use it- LIGHTLY, and applied at even lower dose than the bottle says. And I have supplemental flouro lighting that I run for the days following the application so as not to scorch the plants. READ THE BOTTLE...