Descaler with mild buffered acid removes mineral deposits, hard water stains and soap scum, plus shines fixtures. Tough, yet safe on bathroom fixtures, aluminum, chrome, stainless steel. Will not harm drains or pipes. If rinsed well, can also be used on dishwashing and laundry machines. Nonabrasive, nonflammable, biodegradable and VOC compliant. Contains no bleach, ammonia or phosphorous. Trigger spray bottle with “pullout” foaming tip for application on vertical surfaces. (Cannot ship UPS.)