Q.T. Plus is a hospital-grade disinfectant/detergent, cleaner, sanitizer, fungicide, mildewstat, virucide and deodorizer that cleans and controls the hazard of cross-contamination from environmental surfaces. Use it on walls, countertops, fixtures, restroom and shower rooms, and other hard surfaces where disinfecting is a must. Higher pH removes soils ordinary neutral disinfectants cannot. The EPA-registered disinfectant leaves a mild lemon fragrance. Dilution ratio is 1:128.