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winfa Guidelines for prewetting <br /> Apply wisely. We Prewetting is adding a liquid to the salt as it is being applied — <br /> will never have a either at the spinner or through a soaker pipe in the auger <br /> chance to recover box — help it stick to the road better. Although prewetting <br /> the chlorides requires some equipment changes, it provides flexibility to <br /> applied. switch the chemical makeup depending on conditions. <br /> • Salt brine, calcium, magnesium chlorides, and acetates <br /> may be used as prewetting agents. <br /> • The optimal application rate is 8 to 14 gallons /ton for salt <br /> brine. <br /> • Prewetting with other chemicals at the spinner can help <br /> reduce the application rate. <br /> • Below 15° F, salt brine is less effective than other liquids <br /> and may freeze hoses and valves. <br /> • Salt brine should be mixed at 23.3,. <br /> 8 <br /> 59 <br />