Need help with soil mix for 25 plants 15 gallon containers

I need a good fully organic soil mix that i can use for 25 plants in 15 gallon containers including all the nutes, just trying to figure out how much of each soil additive and soil i will need

First choice ~ Fox Farm Ocean Forest
Second Coice ~ Roots Organic

gotta read subcool/ his super soil thread. read ti all. seems a cheap method for a lot of soil of quality. It is an all water grow with rich soil, but also he posts a link to another site that has sveral diferent soil mixes of various str. here. http://www.cannabase.com/cl/bcga/soil/soil.htm#Super Soil


read all of them for some easy advice.

Id have tosay some fox farm ocean forest or some fox farm Happy Frog thats some good shit.