Tuesday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: We have been trying to remove some serious lime build up from of a quarry tile floor. Nothing we have tried is working.
The traditional lime remover for masonry is hydrochloric (muriatic) acid. It is readily available at builder’s supply houses and dilution instructions are on the container. Be sure to utilized proper safety equipment (PPE) and it would be a good idea to test the product and process in a small area (3 to 4 inches) to see that you are getting the desired results before widespread use. Follow the directions on the container closely to avoid ... — Lynn E. Krafft, ICAN/ATEX editor
To read the rest of this response, click here.