RAW Silica is a flowable plant supplement that is used for horticultural purposes. RAW Silica contains 45% Silicon Dioxide. This product has the highest concentration of natural Silicon Dioxide available to the home gardener. Unlike other Silica products RAW Silica is relatively pH neutral. A 2 oz package of RAW Silica makes up to 200 gallons, an 8 oz package makes up to 800 gallons and a 2 lb package makes up to 3200 gallons. RAW = soluble.
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