Natural calcium silicate mineral: Supplies essential nutrients for plant development
Contains silicon and carbon: Strengthens plant cell walls and improves resistance to insects and disease
OMRI-listed and US-sourced: Ensures organic and locally produced quality
Chemically untreated: Maintains purity for safe use in organic and conventional gardening
Summarized by Shop
Wollastonite is a natural calcium silicate mineral and is unique among soil amendments as a source of silicon and carbon-neutral calcium. VANSIL wollastonite is sourced domestically and is the only OMRI listed wollastinite produced in the United States. VANSIL wollastonite is not contacted by chemical treatments of any kind. Because it is
Form
Powder
Elemental Analysis
Natural minor variations
Application
Soil amendment
Origin
United States
Certification
OMRI listed
Summarized by Shop
5.0
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Calcium in all the ways! Wait I get silica too!?! Awesome way to diversify you calcium sources with the added benefit of silica and it helps lower the ph.