PBH Nature's Media Amendment is a processed rice hull product from Riceland Foods, Inc. with multiple uses in the greenhouse and nursery environment. For greenhouse growers, PBH is the perfect replacement for perlite in the growing media. Advantages include dramatically less dust, plus optimum porosity, drainage and stability with little or no adjustment to fertility and irrigation. Can also be used as a container topdress for weed control. Use PBH Nature's Media Amendment as Replacement for Perlite: Lower basic cost than perlite, Creates optimum porosity, drainage and stability, Requires little or no adjustment to fertility and irrigation, Dramatically less dusty than perlite, About one-third fewer deliveries than perlite – 7 PBH truckloads versus 10 of perlite Less freight, labor, storage and packaging, Natural color blends well with other media components. Use PBH Nature's Media Amendment as a Container Topdress: Topdressing with 1 to 2 inches dramatically improves weed control for just pennies per container, Significantly reduces hand-weeding labor and expense, Improves control of moss species such as liverwort, Reduces potential for drought stress and watering, Delivers economical, earth-friendly weed management.