It's so damn good, it will make Aussie fish bite things even when they aren't hungry!" ULTRA VIOLET ENHANCED S-Factor is more than a scent or masking agent... It's a genuine fish feeding stimulant and attack response trigger. Engineered after years of research by a marine biologist working on Australian salt and fresh water species, S-Factor combines a complex matrix of amino acids and salts PROVEN to attract, excite and stimulate predatory fish. S-Factor makes fish bite and encourages them to hold on longer! Use S-Factor on all soft and hard lures, jigs, squid jigs, flies... even natural baits! 35ml Tube