·         Place all of your protective coverings on your hands and body, including gloves, goggles and a face mask. Wear long sleeves and long pants. This is important because you will be working with an acid detergent.

·         Evenly pour acid detergent over the pebblestone surface and immediately go over the acid detergent on the pebblestone with a surface cleaner. A surface cleaner has a nozzle that keeps the wash even and prevents damage to the pebblestone. Be sure to cover the entire pebblestone surface.

·         Apply a prepurchased mixture of sodium hypochlorite and high-alkaline detergent evenly to the pebblestone surface. Immediately go over the mixture on the pebblestone with the surface cleaner. Be sure to cover the entire pebblestone surface. This will help to remove dirt and kill any mold or mildew. Let the pebblestone surface dry for 24 hours.

·         Apply one coat of an epoxy or solvent-based clear acrylic sealer with a trowel. Let the sealer dry according to the instructions, and apply a second time. Let the sealer dry according to the instructions.

·         Apply the sealer a second time and allow it to dry according to the instructions.

·         Apply the sealer a third and final time.