It seems that this year more than ever fly anglers and tiers are buying into the theory that UV enhancement products like Spectrum Response UV Spray and Spirit River’s line of UV tying materials can up their chances of catching fish under certain conditions.
Here, Brian Westover explains how Spectrum Response actually works. When showing the example flies with application and without it’s a bit tough to decipher in the video that the product did anything, but trust me it does work. Seeing it live and in person, the treated fly was far brighter than the one that was not.
Spectrum Response is available in a 2-oz. tube for $19.95, and a 1-oz. tube will also soon be available for $12.95.