Bohning Archery Feather Dri Water Repellant Powder for feathers is colorless, odorless and will not effect fletch adhesion. Sprinkle a small portion of the powder into the provided bag. Place the fletched arrow (feathers) into the bag, closing the end tightly around the shaft. Shake the bag and work powder into the feathers. Shake excess off and arrow is ready.
It will not disturb the fletching bond unlike many solvent-bases, water-repellent coatings. Avoid inhaling powder. It is non-toxic, but may irritate lungs.