Dishwashers save water (See back panel for water use details). No 1 brand (Among dishwasher detergents based on sales). Scrubs away dried on food. Virtually spotfree shine. Grease fighting power. 24 gallons with 11 minutes of handwashing vs 4 gallons per 1 dishwasher cycle. Phosphate free. Safe for septic tanks. Running the dishwasher daily saves water (energy star certified dishwashers use less 4 gallon per cycle. Running the tap for 11 minutes while handwashing uses up to 24 gallons of water).