There you go, keep it simple.GH is good stuff,if nasa uses it for there hydro,it works.Do a grow first with the 3 part GH and you will learn what your plants want and need,then mix in the additives that you want to use.rhizome said it right get familiar with your nutus, how to grow with them, and then use the additives.In hydro things happen fast,Good and bad.PEACE