Simple Nutrient Solution

Hello, I am looking for buy nutrients made specifically for marijuana growing. What products do you guys use and where can I find them? I am growing outdoors and have a watering system setup that will last atleast 8 weeks. I would like a great product that I can just mix in with the water.

THanks Very Much!

the only nutes i no off that are specifikely for marijuana is Advanced Nutrients, like that iquana juice, and its all organic