DYMAX BASE SOIL 3LSize: 3 L Dymax Base Soil decreases the hardness of the water and lowers the pH level to the degree to which most aquatic plants can consume nutrients and comfortably grow. The soil granules maintain the shape and density of underwater security and good circulation of water oxygen through the substrate. With Dymax Base Soil, growing difficult plants become easier and it is ideal for fishes demanding soft water. Made from specially processed natural