Loon Snake River Mud – Get Your Flies Down Faster When you need your fly to sink—and stay down—this is the easiest way to do it. Snake River Mud is a non-toxic sinking paste that adds just enough weight to your leader or fly to break surface tension and get into the strike zone faster. No split shot, no re-rigging—just a quick dab and you’re fishing deeper instantly. Perfect for nymphing, especially in slower water or when fish are holding just below the surface and your flies won’t quite get down. Why it works: Gets flies below the surface film fast Easy to apply (no re-tying or extra weight needed) Non-toxic alternative to traditional weights Subtle presentation—no splash, no spook Best uses: Nymphing in slow or medium currents Fishing just below the surface film Adjusting depth without changing your rig When fish are picky and weight matters Keep it in your pack—once you use it, you’ll reach for it all the time.