What is dishwasher rinse aid?
Rinse aid is a drying agent that helps improve dishwasher drying performance and reduce water spots on dishes. It only needs to be refilled once every several washes. Many all-in-one detergent packs contain small amounts of rinse aid, but regular liquid rinse aid should still be used.
Boost your dishwasher’s performance with this guide on how rinse aid works and other tips to help reduce spots on glasses.