BioAdvanced 32 oz. 5,000 sq.ft. Coverage Ready-to-Spray Fungus Control for Lawns. This concentrated fungicide cures and prevents common lawn diseases, including dollar spot, brown patch, anthracnose, and summer patch. It works on contact and systemically for rainproof protection. The active ingredient is Propiconazole. Easy to use with a hose-end sprayer, it is safe for all types of turfgrass.