CARE AND MAINTENANCE MANUAL ALWAYS Clean every day by thoroughly rinsing with mild soap and warm water and wipe dry with a cloth. . Keep the tub free of any standing water as this can cause a buildup of mineral deposit, which can affect the appearance of your sink. . Always rinse the bathtub after using any cleaning agent and wipe dry with a cloth. Clean any mineral deposits built up over time with a mild solution of vinegar and water followed by thorough flushing with water.