Cleaners used to remove mortar spots or stains that you do not eliminate the use Neutral Cleaner. Tap & Sanitary Fixtures refresh all surfaces by removing traces mortar through evapotranspiration.
Use a sufficient amount, undiluted then spread all over the surface and wipe again with water.
Products that contain a small amount of acid, so it should not take time to interact with the product surface too long.
Do not use this product for the bath, sink, component materials containing calcium, glossy materials for products can lose the sheen of the surface. When unknown about the use and interoperability of the chemical composition with the product surface, should try one small amounts over small areas.