See clearly on every dive with Stream2Sea Mask Defog, a high-performance, eco-conscious solution designed to eliminate fog and maintain crystal-clear visibility underwater. This professional-strength formula works quickly to prevent condensation from forming on your mask lenses, so you can stay focused on the experience instead of constantly clearing your gear.

Formulated with reef-safe, biodegradable ingredients, Stream2Sea Mask Defog is safe for both you and the marine environment. It uses gentle components like aloe vera combined with effective surfactants to create a thin, invisible coating that reduces fog buildup without harming delicate ecosystems. Easy to use in any setting, simply apply a small amount to the inside of your lenses, rub evenly, lightly rinse, and dive. The formula works on glass, plastic, and polycarbonate lenses, making it ideal for dive masks, snorkel gear, swim goggles, and more.

Compact and travel-ready, this 2 oz bottle is a reliable essential for divers who want consistent performance with minimal environmental impact.