SMARTPOWER™ Rinse Additive Heavy Duty is a high performing machine warewashing rinse additive for use in water hardness over 8 grains. It’s concentrated formula and powerful chemistry is non-corrosive, and 99.7% phosphate free. SMARTPOWER™ Heavy Duty Rinse Additive eliminates the need for hand drying or stacking wares while still wet, and delivers a spot-free performance. Plus, its innovative design reduces packaging by 97% compared to traditional solids.