1. Wet the surface with clean water. 2. Apply the product evenly on the rust stain to be removed using a spatula or a small spoon. 3. Allow the product to work for 5~10 minutes. Color change shows that the necessary reaction for rust removal is correctly occurred. Do not allow the product to react for more than 10 minutes. (Danger of stain forming) ※ Before applying to the entire surface, test on a small area for checking the specific activation time. 4. Rinse with water and repeat the process if necessary. 5. After the stone is successfully treated, apply "ConfiAd® Stone Protec" to prevent watery substances from penetrating into the stone as an additional measure against a new rust. |