A quality aquarium soil is of vital importance to the success of live planted aquariums. Tropica Aquarium Soil Powder is a natural soil extract that is ideal for freshwater aquariums. The completely active substrate stimulates the growth of aquatic plants, providing them a stable environment to root and prosper, while encouraging color development. This Aquarium Soil Powder is a very fine grain size, making it suitable for foreground plants and completely safe for all freshwater fish and shrimp! This complete bottom layer can be used without any other types of bottom layer, and helps to lower the pH and KH value while softening your water!