hey if mixing salt based chemicals is too much work (and i hated it, i used flora nova so i didnt have to buffer ph) id like to invite you to my organic thread, it can shed some light on how to have a grow you just water with plain water for 3 weeks
Intro to organic cannabis growing with top dressing dry nutes 101 - Overgrow.com
hopefully this helps, if you go cautious with the nutes you can have a decent sized, but valuable crop of organic marijuana
im posting updates every once in a while, i just fed my plants a meal and guano, i think bone meal, and theyve already grown an inch or so