We use DuPont Teflon® Advanced Carpet Protector. Able Carpet Cleaners apply with a battery sprayer to ensure even coverage and then rake the protector into the carpet with a carpet groomer. The protectant application will affect the drying time but will feel dry in under 12 hours. Once dry, the soil and stain protection of Teflon® Advanced will be fully effective. Teflon® Advanced leaves no odor and is safe to use on all types of carpet and certain types of upholstery.