Scientific Anglers Revive Fly Line Treatment - Keep your fly line shooting farther and floating higher with Scientific Anglers Revive Fly-Line Treatment, a water-repelling solution that will increase your fly line’s life and all-around performance. After you’ve cleaned your line, just apply the treatment to the line with a soft towel, allow to dry, and you’re ready to fish. Treatment will not dissolve in water and can be used on lines with or without AST and AST+. Quick and easy to apply to clean line with soft towel Increases casting distance over dirty, grimy line Line floats higher after cleaning and applying treatment Can be used on lines with or without AST and AST+