How to Stay "Fog-Free"
Mask Tip
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How Anti-fogs work
Mask fogging results from warm humid air inside the mask meeting a lens surface cooled by water. Warmer air is capable of holding more water vapor (water in gas form) than cooler air. Therefore, when air is cooled, a portion of its water vapor condenses into tiny liquid droplets, or “fog”. McNett® Anti-Fogs prevent fogging by creating a thin, invisible film on the lens which creates a “sheeting effect” - eliminating the formation of condensation droplets.
Which Anti-Fog is Best for You?
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Sea Gold™ Anti-Fog Gel
Rated #1 in Scuba Diving’s most recent tests! Highly concentrated clear gel for fog free vision dive after dive. Great for multi-dive days and cold water diving.
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Sea Drops™ Anti-Fog liquid
The world’s most popular dive mask anti-fog. Ideal for tropical climates.
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Sea Quick™ Anti-Fog spray
Blow fog away with a fast and easy pump spray anti-fog that lasts and lasts. Perfect for beginners!
Dive Mask Anti-Fogs
Find more great tips like these in our Repair Guide
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With exposure to sunlight, saltwater, and chlorine, synthetic gaskets degrade over time due to the loss of structural oils called plasticizers. Proper protection with UV Tech™ is essential for maximizing scuba gear life.
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Mask fogging results from warm humid air inside the mask meeting a lens surface cooled by water. Warmer air is capable of holding more water vapor (water in gas form) than cooler air. Therefore, when air is cooled, a portion of its water vapor condenses into tiny liquid droplets, or “fog”. McNett® Anti-Fogs prevent fogging by creating a thin, invisible film on the lens which creates a “sheeting effect” - eliminating the formation of condensation droplets.