Neogen DC & R Disinfectant is used to disinfect hard, non-porous surfaces of farm buildings and equipment, vet clinics and kennels. DC & R is proven effective as a disinfectant against bacteria, virus, and fungi. DC & R kills organisms on contact and keeps killing for up to 7 days after application. DC& R retains its activity even in the presence of organic matter. DC & R is effective in both acid and alkaline ph range. DC & R is effective in both acid and alkaline ph range. While Supplies Last