FLY SPRITZ 2 Loon’s earth friendly alternative to our original Fly Spritz. This is the WORLD’S ONLY water-based spray floatant, a formula we worked on for several years! Simply spray your fly, and either wait or false cast to dry and continue catching fish. Finally, a spray floatant which is safe for the environment. 28 grams. PRODUCT TIP: Apply a couple of squirts to your fly, then you can either blow or false cast your fly dry.