Why not use GH 3part? A former member came up with a great recipe for gh 3part, heres the link:
http://boards.cannabis.com/hydroponi...rt-calmag.html

If you would like to see the effects of this check out my homeboys plants here:
http://boards.cannabis.com/basic-gro...room-mods.html

I also use it and anything else I've ever run doesn't come close to comparing.