Mix Salt-Away while washing down your boat or flushing your engine. The effectiveness of the concentrated Salt-Away solution relies on getting the balance of solution to freshwater just right. These mixer units are designed to properly dilute and mix the Salt-Away solution while applying the product with a hose. The 6 oz. reservoir holds enough concentrate to wash down a 35' boat or flush several engine cooling systems. Get the Salt-Away mix right, by using a mixer made specifically for the job. Key Features In-line hose mixer for Salt-Away concentrate Dilutes and mixes concentrated salt remover for easier application 6 oz. reservoir holds enough to wash down a 35' boat or flush several engine cooling systems