500 PSI Mask Defog
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500 PSI Mask Defog


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500 PSI Mask Defog cleans and defogs your scuba/snorkel mask at the same time, allowing you to focus on your adventure. It’s long-lasting, wet or dry application formula allows you to apply it before your first dive of the day and enjoy up to three dives that day without needing to re-apply. Less work, more fun. And with the convenient 2 oz travel size, it won’t take up too much space in your gear bag.

New to mask defogging? A little goes a long way. A dime-size amount in each lens will do the trick. Rub it in with your finger (no gloves) and rinse. If you just bought a new mask, don’t forget your 500 PSI Mask Scrub. All masks have a film in them, applied by the manufacturers, to help protect them during shipping. You’ll want to use the mask scrub to remove the film before your first use or you’ll spend your dive clearing your mask.


500 PSI Mask Defog Features:

  • No animal testing
  • Cleans and defogs dive and snorkel masks
  • One application lasts up to three same-day dives
  • Wet or dry application
  • Travel size

WARNING: Cancer and Reproductive Harm -- www.P65Warnings.ca.gov.

More Info

  • Product Sku: 510
  • UPC Code: 020443506006
  • Sizing: Adult
  • Accessory: No

Customer Reviews



5 out of 5 stars

Nice mask cleaner

Like how it goes on and dry to much. Then just rinse off. Works great.


5 out of 5 stars

Works perfectly

This is the best. We put it in our masks and let it dry while the boat heads to the reef. We rinse our masks just before jumping in and we never fog.


5 out of 5 stars

Excellent Defoger

This is the best defogger I have ever used.


5 out of 5 stars

Good Defog

This Defog is very effective when used properly. The important thing is to remove the manufacturing residue on the inside of the mask before applying any sort of Defog. This defog works great once that residue has been removed, I use it before all my dives.


5 out of 5 stars

Great defog

Used it for years until I discovered sea drops. Still one of my personal favorites. I would recommend this product.


5 out of 5 stars

works like a charm

There is nothing worse than a fogged up mask and this defogger works really well...as long as I don't breathe through my nose!