On Feb 20, 8:33*pm, gene > wrote:
> ...
> *Any chemical can't be good for you.

Well, I'm not sure about that. Water is a chemical, but it's good for
you in all but the most extreme doses.
There are many other chemicals that are necessary for life.

I usually add a DAP containing nutrient like Fermaid about 1/3 of the
way into fermentation at the rate of 1/2 teaspoon per gallon.

Greg G.