If you want to be absolutely sure, I would suggest taking 1qt bottles, getting a lab analysis of them, and then inputting the results. I know I've posted a recipe based on the guaranteed analysis, but it is lacking in a few of the micronutrients which I believe it does actually have.
The cost for that will be about $40 + shipping + the 1qt bottles of floranova bloom/grow.
Eventually, as the Open Salt project moves along, I'll be getting lab analysis on everything. But it's expensive to do so. And I don't have the money right now. So it will be a while until I personally get to it.