The Soil King Emerald Rootz Tote, 60 cu ftEMERALD ROOTZ Emerald Rootz is carefully formulated to meet the needs of professional growers, yet its so easy to use that even novice gardeners can achieve growing success. Similar to Big Rootz same amendments, but shifted ratios on the NPK to allow for the 2 4 week vegetation time that indoor growers are accustomed too (versus the 2 3 month outdoor vegetation time). The major difference between Big Rootz and Emerald Rootz is switching out pumice