Question – “Hi, I am a cleaning contractor and have a customer who has a limestone floor in a reception of a hotel which has been maintained by some one else. It is only 6 months old and has gone streaky. I have dealt with marble and other stone before but not limestone. What would [...]

Visitor’s Question: “My limestone kitchen counter has developed black speckled marks, especially around the sink. This leads me to believe it may be mildew from dampness. How can I remove these stains before sealing? Every blog says no acidic cleaners, but how about bleach?”
Our Answer: The blogs you have read are

A blog reader submitted the following question to us: “After removing the grout from our natural stone polished tiles, and before sealing, they were a couple of small stains which were probably water. We used Cillit Bang to remove this but has made worse. Are there any products that could remove this?”

If you want to clean limestone and care for your limestone floors it can be a relatively simple task. However, you do need to take care with stone like limestone as it is prone to damage by acid and acidic-based products since it is a calcium-based product.Limestone, in general terms, is relatively soft when compared [...]