This is a good start if you like to use GH, or AN 3-part. Many additives are discussed for good measure.

I have many more options, but this is for a consistent quality grow.

Check the timestamp, Years ago. Peace

The old one:
http://boards.cannabis.com/hydroponics/93676-latewoods-legacy-gh-3-part-calmag-tutorial-discussion.htm

I have a couple condensed versions, but I have shared so much, at so many sites, I forgot where I put it. peace