The ORIGINAL CTC: Cement & Tile Cleaner tried and tested for over 40 years in the construction industry. CTC is designed to clean residue off tiled and hard surface areas from grouting and general dirt. It is also effective on lime and rust stains.

Dilution 

1:20 Parts Water Spread over the area to be cleaned. Leave for a minute and wash off. You must rinse off the product with clean water, otherwise it will dry and the process will have to be repeated.

Advisory

Test a small patch before starting. Product will dull and mark highly polished surfaces such as natural stone.