i say go for coco. I've been screwing with different grow mediums and having a lot of success with coco. its pretty much the best of both worlds of soil and hydro, faster vegetative growth like hydro but more forgiving with ph and nutrients like soil. its at any hydro store, or if you dont have a hydro store near you get it through mail order, its cheep as hell 3 to 4 dollars a brick and cause their so light the shipping costs are really reasonable. advice for use, add perlite at a ratio around 30-40%perlite 70-60%coco, and rinse it well before use. you can use coco specific nutes but any thing will do, i like fox farm (who doesnt). and if your a cheapskate you can reuse coco 2-3