This all-natural, non-toxic planting media is perfect for supporting the growth of aquatic plants. It's made from alluvial material and completely safe for your pond fish. Each bag is free of peat moss and compost. Its all-natural composition and non-toxic properties make it an ideal choice for nurturing the growth of aquatic plants, while also ensuring the safety of your pond fish. Made from alluvial material, it is free of peat moss and compost, making it a healthy and beneficial addition to your pond.