No. 1 brand (Among dishwasher detergents based on sales). Scrubs away dried food. Virtually spotfree shine. Dawn: Grease fighting power. Phosphate free. Cascade believes in the safety and quality of our products. Phosphate free. Safe for septic tanks. Dishwashers save water (Energy Start certified dishwashers use less than 4 gallons per cycle. Running the tap for 11 minutes while handwashing uses up to 24 gallons of water). 24 gallons with 11 minutes of handwashing vs. 4 gallons per 1 dishwasher cycle. Running the dishwasher daily saves water (Energy Start certified dishwashers use less than 4 gallons per cycle. Running the tap for 11 minutes while handwashing uses up to 24 gallons of water).