UNH use relatively more APM Orange Degreaser and sample of industrial citrus cleaners and rate their effectiveness. While the Orange Degreaser has not been effective when used on a weekly basis it may show adequate results when used every other day without scrubbing. Further study needs be done in several areas. This study did not examine the shower spot cleaner, Hillyard extra strength CSP, or any of the disinfectants used on the showers. What you can do Be conscious of how long you are in the shower.
Quick showers remove as much body scum as do long showers.
Less water use, among many other things, means less hard water corrosion and less chemicals required to remove the metal ions from the shower floor.