No pre-wash needed. Cleans stuck-on food in 1 wash. Number 1 recommended brand in North America (More dishwasher brands in North America recommend Cascade vs any other automatic dishwashing detergent brand, recommendations as part of co-marketing agreements). Dawn grease fighting power. Phosphate free. Our triple chamber provides our best clean for dishes and helps prevent hard water filming so you silverware and dishwasher sparkles. Phosphate free. Limited warranty is consumers Good Housekeeping since 1909. Replacement or refund if defective. Questions? 1-800-765-5516. www.cascadeclean.com.