Cleaning & Maintenance Management Online

Tuesday's Ask the Experts: Tub stains

February 28, 2012

Tuesday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: How do you remove the black stains on anti-slip spots that are on the bottom of tubs?

The answer:

I''m guessing that the black discoloration is from mold or mildew growing on or under the stick-on spots which tend to hold moisture and soap scum on their rough surface. Try a mild bleach or hydrogen peroxide solution, if that doesn''t work, try a vinegar and baking soda combination, or any of the dozens of mold/mildew sprays available commercially. Let the product dwell, keeping it wet for... — Lynn E. Krafft, ICAN/ATEX editor

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