Get the marijuana growers guide. jorges Servantes It shows step by step in explicit detail. My advice is a hydo eb and flow system with a 400 High pressure sodium. Biotanicare makes a nice product. six plant = aprox 6 tomatoes every 8 weeks. As far as the nutes read the back label. the simplest is Agragrow grow for the first stage then agribloom for the bloom stage. However this is not organic. Bontanicare is bioponic derived from organic compounds. I have a T5 grow light. for the vegitave stage. aprox 6 weeks. Then they go into the bloom room for 8 weeks. Hydro = water the basis of life use the best h20 you can find. I use deionized water with a ph of 5.8 changing every 7 days.