Sheets of a felt-like material that can be used to separate different types of substrate (e.g. aqua soil and gravel) or assist with the formation of hills or other elevation features in your aquascape. Plant roots are able to penetrate the material and spread throughout the different substrate sections. Allows for aeration and exchange of gases and fluids. Can also be used to cover substrate support plates. Made of biopolymer and natural fibers that will not harm aquatic life.
Sold by the sheet 10" x 20".