You will receive a white jar containing high-purity sulphur pellets suitable for both greenhouse fumigation and soil application. In greenhouses, burning sulphur pellets in an approved sulphur burner releases sulphur dioxide gas, which creates an acidic environment that helps prevent the spread of fungal diseases such as powdery mildew, botrytis, and various blights. This reduces the need for chemical fungicides and helps maintain a healthier growing environment. These same pellets can also be applied directly to soil as a slow-release amendment to correct sulphur deficiencies and gradually lower soil pH—especially useful in Calgary’s alkaline soils. Recommended for: Blueberries Rhododendrons Azaleas Hydrangeas Other acid-loving plants General disease management in greenhouses Benefits: Prevents fungal diseases in enclosed grow spaces Enhances nutrient uptake in acid-preferring plants Slowly acidifies alkaline soils Long-lasting, dual-purpose use Reduces dependence on chemical treatments Use Guidelines: For fumigation: Use only in an approved sulphur burner with proper ventilation. For soil: Mix into the topsoil according to test results and plant needs. Always water in well.
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