Calcium Silicate, Wollastonite
Vanderbilt Minerals VANSIL Wollastonite
Harness Nature's Soluble Silicon With VANSIL Wollastonite
Use as an alternative to limestone and to provide Plant Available Silicon and Calcium in your soilless potting mixes.
Wollastonite, a natural calcium silicate mineral, is unique among soil amendments as a source of silicon and carbon-neutral calcium. VANSIL wollastonite is sourced from a Vanderbilt Minerals deposit and processing facility in northern New York state. It is the only OMRI certified wollastonite mined and milled in the United States. It is not a slag by product.
