Devaux O'FLY INSUBMERSIBLE'SPRAY Waterproofing Spray

Devaux O'FLY INSUBMERSIBLE'SPRAY revolutionizes the care of your dry flies, offering an innovative solution to maximize their buoyancy. The result of the ingenuity of the Devaux brand, renowned in the world of fly fishing, this spray becomes an essential ally for all anglers seeking efficiency and success by the water.

1. Powerful introduction

Designed to guarantee the lightness and insubmersibility of your flies, the Devaux O'FLY INSUBMERSIBLE'SPRAY acts instantly upon application. Resistant to the most demanding conditions, it ensures consistent performance at every session, allowing you to fish longer without disturbing the presentation of your imitations. Its simple and fast use will convince both experienced anglers and beginners wishing to perfect their technical approach.

2. Technical features

• Special anti-sinking formula developed by Devaux


• Compact, lightweight aerosol for easy transport


• Leak-proof safety cap


• Apply directly to dry flies


• Made from environmentally friendly ingredients

3. Advantages and product highlights

The Devaux O'FLY INSUBMERSIBLE'SPRAY provides an invisible barrier against water, enabling all your dry flies to remain perfectly buoyant, even after multiple casts in strong currents. It reduces water absorption by the fibers, maintaining the perfect illusion of an insect resting on the surface. Its proven effectiveness limits the need for frequent fly changes, increasing your chances on difficult spots. Practical, the spray leaves no unpleasant odor or greasy residue on your hands.

4. Usage tips and recommended setups

To get the most out of the spray, simply spray from 15-20 cm away from the dry fly, just before use or after each catch. It is suitable for all types of imitations, whether tied with feathers, fur, or synthetics. Ideal to combine with degreased leaders and fine rigs, it optimizes presentation on rivers and lakes alike. It is recommended to let it dry for a few seconds after each application for maximum effectiveness throughout the session.

5. Testimonials or expert opinions

"Since the arrival of the Devaux O'FLY INSUBMERSIBLE'SPRAY, my fishing outings have gained realism and efficiency. The flies stay on the surface much longer, even in rain or in eddies. This spray is THE reference of the season, I don't go out without it anymore." – Julien T., fly angler for 24 years (2025 outing)

6. FAQ and additional information

• Does the spray change the fly's color? No, it leaves no visible marks or alterations on the fibers.


• Can I use it on other floating imitations? Yes, it is suitable for all dry flies, emergers, or realistic terrestrial patterns.


• Is there any environmental impact? The formula is designed in compliance with current ecological standards.

Discover the unique performance and lasting efficiency of the Devaux O'FLY INSUBMERSIBLE'SPRAY to enhance every moment spent by the water.