Do: use non-abrasive, pH-neutral cleaners like Bar Keepers Friend Soft Cleanser, Bon Ami, or a diluted dish soap.
Don’t: use bleach, ammonia, Comet, Ajax, steel wool or magic erasers. These strip the topcoat.
Rinse after every use. Weekly, wipe the surface dry with a soft microfiber cloth to keep the gloss looking new.
Avoid suction-cup bath mats during the first 30 days. After that, a soft-back non-slip mat is fine.