Carefully tested, our Super soil premium Gwens mix and our rich mineral Kelp and endo/ecto Mycorrhiza mix. Combined together, this mix will provide your garden with fantastic yields. For the best root development, we have optimized nutrition levels from a careful blend of selected organic amendments. This Super soil mix will work great with your seeds and seedling starts! Just add water. There are 12 certified organic ingredients and pumice! We always use highest standard organic amendments, such as Acadian/Tidal Kelp from Canadian cold waters of the North Atlantic Ocean, an ideal nutrient supplement for all types of vegetables, herbs, flowers, and perennials. This mix stimulates root development, stops transplant shock, boosts growth, prevents fungal problems and alleviates stress caused by fluctuations in temperatures!