Loon Hydrostop is a great way to waterproof your flies, and yarn indicators, ahead of time. The large 2 ounce bottle lets you treat dozens of dry flies at a time. Just soak for 5 minutes and then simply let dry overnight. Those Stimulators are now going to float high and dry to the awaiting Mr. Brownie!
Permanently waterproofs new dry flies and yarn indicators. Soak for 5 minutes and dry overnight.