We recommend to clean your products at least twice a year with our cleaner+protector. This ensures that the dirt drawn out of the pores. Then treat the items with the protector, which provides a protective layer of wax. User instructions our cleaner+protector: 1. Rinse the product with a hose to remove dirt (Do not use a high-pressure cleaner!) 2. Spray the ADEZZ cleaner on the outside of the product3. The cleaner ensures all dirt is drawn out of the pores 4. Clean after 1 minute with water and a scrub brush with soft bristles 5. Rinse with water