This is an ultra fine material, 90% under 6 microns that contains a wetting agent & may be used either as a dust or liquid spray. The micronization allows for greater disease control with less risk of sulfur burn. Please call for list of plants. Use at 1 Tbsp per gal or 2-7 lb per acre. Active ingredients: 80.00% sulfur, 20.00% inerts. For CA commercial growers a Pest ID# is required. Call for most current pricing.