The best would be advanced nutes for aero. The new ph perfect is the truth all you need is a base nute and bud candy go to cheapadvancednutrients.com thats were i got mine. If you want any other additives big bud is the best one. Get Great Orca for your roots and you'll rape.
I am an Advanced Nutrients guy but I have been reading great things about Medi-One, a one part nutrient, and I think I am switching to that next grow. I am in the middle of my first DWC grow and after seeing the growth rates DWCgives I will never grow another way again.