Dissolves 24 hr stuck-on food. Phosphate free. Eco+ is formulated to reduce the harm posed by phosphates in waterways. Friendly to lakes and streams. This formula, which is formulated without phosphates, is friendly to lakes and streams while still providing powerful cleaning performance. Palmolive Gel dishwasher detergent is safe for septic tanks. ?: 1-800-338-8388; www.palmolive.com. Save Water: www.colgate.com/savewater. Made in USA.