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Quantity
1
WOLLASTONITE is a multipurpose soil amendment that will help your plants resist powdery mildew, supply available calcium and silicon and is proven to increase yields and plant integrity. Wollastonite neutralizes soil acidity and can be use...
Reviews
4.4
7 ratings
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Shipment arrived quickly, and the product has a beautiful consistency. Just applied today, so we’ll see how it goes. Very hopeful!
Adam · January 25, 2026
Excellent, tested amendments
I trust KiS with my garden thanks to their dedication to testing and transparency.
B
Buzzy · December 20, 2025
this stuff is excellent both for calcium and added silica.
