Potassium Silicate one pound, 32% K2O 52.8% SiO2
This a mandatory part of our garden. We used it with great success when applied as a preventative foliar against powdery mildew. Our garden was an island trapped in an ocean of powdery mildew around it, and every fall the garden would succumb to the dreaded PM scourge. No more.
Date Added: 01/24/2012 by analog
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