50 lb Pail of Ground Yellow Sulfur Powder Feed Grade Pure Elemental Commercial Flour No Additives Brimstone High Quality, 99.5+% Pure Finely Ground Sulfur Powder, 60~80% Catches by #200 Mesh (~74 micron), the rest is an even finer powder No Oil Added, Works as an excellent fertilizer for Plants to adjust pH in soil. Essential for blueberry bushes. A sulfur burner is required to adequately burn sulfur (For drying apricots or fumigating a building) Apply to skin/fur to repel Ticks, Fleas, Mosquitos, and most other bugs or pests, spread into lawn to repel snakes and keep away other pests Generally regarded as safe for use as an additive to feedstock. Not considered safe for human consumption.