Mask lens fogging

[kwestby]

I have a mask that my son uses and the left lens always fogs up. I've tried tooth pasting the lens a couple times now, and anti-fog doesn't help.

Anyone have any ideas or suggestions on how to stop this type of issue?

Thanks

[spectrum]

Hi kwestby,

My best advice is to scrub some more with the toothpaste or soft scrub. Be sure it's a common abrasive paste, not a pure gel. Some will also suggest flaming the lens with a lighter.

Before anti-fog can work you need to get the lens perfectly clean. This can be user contaminants like oils and lotion but most commonly manufacturing residue. Scrubbing 3-4 times is not uncommon. The trick is to test it in your sink while home so you don't spoil and more dives.

You can read the details here. (http://home.gwi.net/~spectrum/scuba_mask.html#cleaning)

Pete

[hawkenph]

Hi,
I know this may sound alittle funny. After using the toothpaste. Try using Johnson's baby shampoo (no tears). As a anti-fogger. I had the same problem. Before my Dive Buddy recommended this. And I have no had any more problems with fogging. I use it before each dive.
Kurt in cebu

[hawkenph]

Sorry, forgot to add. Just use a couple of drops on each lens, spread it around to cover the whole lens. Let it dry and just before you dive wash the lens.
Kurt in Cebu

[diver_doug]

Like the other guy said...scrub it more. A cheap non-gel toothpaste works best and what I would do is get the water pretty hot, scrub the lens well with your finger/toothpaste, rinse it off in hot water, dry the lens and repeat (do like 3-4 times) and then use the defogger of your choice. Once you get all of the film off you should never have a fogging issue again (as long as you use some sort of defog on each dive).

[markmantei]

Commercial anti-fog never worked well for me. Spit, works every time and never forget it at home. The greener the cleaner!