Eliminate various surface residues effortlessly with the StoneCare4U Grout Haze Cleaner 1L. It is a versatile cleaning solution that can be used both indoors and outdoors. Designed for use after the installation process or during construction - this powerful cleaner is suitable for all types of acid-resistant surfaces, including ceramic tiles, porcelain, brick, clay and quarry tiles, terracotta, concrete, and other natural stones. It effectively eliminates various surface residues such as efflorescence, mortar and cement, encrusted and engrained dirt, rust, as well as calcium and limescale deposits. Whether you need to clean your indoor or outdoor surfaces, this cleaner is the perfect choice. Just make sure that the surfaces you are cleaning are acid-resistant, such as ceramic tiles, porcelain, brick, clay and quarry tiles, terracotta, concrete, and other natural stones. Coverage: Depending on contamination use cleaner neat or diluted up to 1:10 with water. How to apply: Before use, remove any loose debris from the work surface and ensure you have adequate safety wear, i.e. gloves, suitable protective eyewear, face mask and clothing. Note: Following the instructions below, perform a small test application in an inconspicuous area on-site before use. This will indicate the suitability and effectiveness of the product for your surface. If unsuitable for your requirements Do not proceed; contact us to return the product. Depending on the degree of contamination, the cleaner can be used neat or diluted up to 1:10 with water. Pre-wet the surface, apply generously and allow the product to dwell for a few minutes before agitating and rinsing off with plenty of clean water. Repeat the process if necessary, if using the cleaner indoors ensure good ventilation during and after use. Important: Grout Haze Remover is not suitable for use with or around acid-sensitive surfaces such as enamel, zinc, chrome, stainless steel, polished marble limestone, etc.