The newest member of the Asperox Sparx family is Asperox Sparx Rinse Aid and Dryer for your dishwasher. This dishwasher rinse aid has a vinegar and lemon scent. Directions for use: Pour the rinse aid into your machine's rinse aid dispenser in the amount specified on your machine. Refill when the rinse aid light turns red, indicating that your machine's rinse aid is low.