Cleaning (Surface Maintenance): Keep installed Altyno surface clean and dry. Use commercially available neutral detergent to clean Altyno surface. (Avoid using alkaline detergent, acid detergent, and/or organic solvent such as paint thinner.) Use soft cloth and/or soft sponge, etc., to clean/wipe Altyno surface. Do not use sponge containing abrasion agents. Completely remove/wipe off detergent residue from Altyno surface after cleaning