With the use of Tropica Soil you can rest assured that your aquatic plants will thrive and prosper! Derived from natural soil extracts, this substrate will help your aquatic plants flourish, and will assist in color development. It also creates a fantastically natural environment of all freshwater fish and shrimp! As a complete active bottom layer, this soil can be implemented in your freshwater haven without the use of any other types of bottom layer, easing the set up and maintenance tasks. It not only offers a very clean look with a grain size of 2-3 mm that is great for foreground plants, but also aids in the reduction of pH and KH and promoting crystal clean water!