Lower high soil pH and help your lawn use nutrients more effectively. Soil Acidifier contains 90% elemental sulfur and is designed to gradually correct high-pH soil. When soil pH is too high, grass may have trouble using nutrients already present in the soil, which can lead to weak growth, pale color, and poor lawn performance.
Use this product only when a soil test confirms that your pH is above the recommended range for your grass type.
Always test your soil before applying. The amount needed depends on your current soil pH and the pH you are trying to reach.
Lawns, Turf & Pastures: Apply 10–15 lbs per 1,000 sq ft for each one-point reduction in soil pH.
Example: If your soil pH is 7.0 and your target pH is 6.0, apply 10–15 lbs per 1,000 sq ft.
Landscape Beds & Gardens: Apply 10 lbs per 1,000 sq ft for each one-point reduction in soil pH. Apply beneath the plant canopy out to the drip line, then water thoroughly.
Important: Elemental sulfur works gradually and will not lower soil pH immediately. Retest your soil before making another application. Do not apply more than the label recommends in an attempt to speed up the process.