Salt-Away is a carefully selected blend of biodegradable ingredients specifically chosen to provide the optimum concentration of well-known cleaning materials and surface-active agents resulting in salt removal from a wide variety of surfaces. The beauty of this product is that it contains no hydroharbon solvents thus it will not interfere or remove lubrication on items such as reels or engines allowing it to be used pretty much anywhere on or around the boat. Along with salt removal Salt-Away has built in corrosion inhibitors that stop corrosion before it starts. Use the Salt-Away Sprays or Mixing unit to apply or alternatively mix 1-2 ounces of Salt-Away per gallon to achieve optimal concentration. This 4-ounce spray is a mild formula designed for anglers to spray salt off reels rods line and guides while fishing. Safe for all brands of reels rods and line. No need to rinse. Prevents build-up on reel. Leaves no scent in the water. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.