Southern Ag Black Snake Sulfur is to be applied in the lawn to lower soil pH in areas where an acidic soil is desired. It does not keep snakes away. We do carry Snake Repellents that will detour snakes from the desired areas.
Southern Ag Black Snake Sulfur is applied at the rate of 1-2 lbs per 100 sq ft of soil and encorporated into your current soil to lower the soil pH in early spring. It is placed dry not mixed with anything per the manufacturer.
We do have soil amendments to help lower you lawn pH. Black Snake Sulfur is one popular example. Keep in mind that pH adjustment will likely be gradual and may require multiple treatments to reach your desired range.