Check the listing for details. PROSOCO Revive | Headstone, Gravestone and Monument Cleaner. Condition: New. Listed at 51.60 USD. . ReVive is a mild to moderate biological soiling cleaner for headstones, gravestones and monuments. It can also be applied to non-masonry substrates such as wood, painted surfaces, metal, plastic and glass. Allow two or more weeks to see full results. Repeat applications may be necessary for heavy soiling. Always read full label and Safety Data Sheet for precautionary instructions before use. ReVive works over time to clean headstones, gravestones, monuments and other masonry surfaces. It may take two or more weeks to see full results. Scrubbing the surface with a soft bristled brush once ReVive has been applied for a few minutes is also recommended. Many types of biological stains change color when exposed to ReVive. Most surface discoloration will disappear soon after thorough water rinsing and weathering. Simple Process: Dilute with clean water, apply to dry surface, wait 3 minutes, scrub gently, rinse with water. Allow two weeks for full results. ReVive is effective on all types of stone, concrete and brick masonry and is biodegradable and safe for landscape plantings and grass. ReVive can also be applied to non-masonry substrates such as wood, painted surfaces, metal, plastic and glass.