Soil Sulfur | Pelletized Sulfur for Plants Lasts LongerElemental Soil Sulfur can be used to lower the pH level in excessively alkaline soils or correct a soil sulfur deficiency. To raise soil acidity or to add Sulfur as a nutrient, simply add this pelletized elemental sulfur to your lawn or garden. Benefits of soil sulfur for gardens: Increases soil acidity Decreases soil pH Provides a cost effective and easy to apply solution for soil deficiency