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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
*Not for use in California
fungicide and bactericide used to control insect and nematode pests
Soil Mixes: Add 20-30% rice hulls to soil mix
85% Silicon Dioxide
Vansil W-20 Wollastonite (Ca₂O₄Si) - 50 lb aphanomyces euteiches *Not for use in CaliforniaWollastonite is a natural calcium silicate mineral. VANSIL wollastonite is sourced domestically and is not chemically treated. Because it is milled natural ore, elemental analysis can show natural minor variations. Research has shown plants supplemented with silicon have increased yields, even in prime growing conditions. Supplemental silicon strengthens plant cell walls and improves resistance to insects and disease. Silicon also stimulates plants
