When to Use CARPO Descale: CQUARTZ coated vehicles that are subjected to hard water. Ceramic coated vehicles that have lost hydrophobics or gloss. Neglected vehicles. A first step to a full detail. When NOT to use CARPO Descale: If your car has a carnauba wax or polymer sealant and you do not want to re-wax or re-seal the vehicle. As a regular weekly wash. For regular washes use CarPro Reset instead! Features & Specifications of CARPRO Descale: Removes minerals from coated and uncoated surfaces. Safe for coated and non-coated cars. Versatile cleaner capable of removing waxes, sealants, and tough dirt. Ceramic coating rejuvenation abilities. pH 6 Dilute 1:100 for bucket washing (1.26 oz per every 1 gallon of water ) Dilute 1:10 for foam sprayer/spray bottle. (2.9 oz for 32 oz bottle) Directions for Using CARPRO Descale: Dilute 1:100 for bucket washing or 1:10 for foam sprayer/spray bottle. For light contamination: use CARPRO Descale as a snow foam and allow for maximum dwell time (without letting it dry) before rinsing. Follow up with a hand wash. For heavier contamination: wash panel by panel starting with horizontal panels. Wash the panel and allow CARPRO Descale to dwell for as long as possible without letting it dry. Repeat if necessary. Thoroughly rinse with water.