Seachem Aquasolum is an ideal substrate for planted and shrimp aquariums. Derived from organic humate this lightweight soil is clean and provides the nutritious properties plants thrive on. Because this soil was originally plant life in its organic state, it contains valuable, nourishing substances that simply cannot be found in chemical fertilizers. In addition to providing your aquatic plants with everything they need and more, this substrate also helps to lower pH levels and soften water, creating the ideal parameters for freshwater shrimp!