Though the scuba mask is small, it is one of the most important pieces of gear a diver owns. Problems with your mask, such as an improper fit, scratched lenses or frequent fogging can make your dive experience frustrating or, if you cannot see at all, dangerous.
Purchasing a Mask
One of the most important features of the mask is its fit. Try on a variety of masks to find the one that fits your face best. To test a mask’s fit, press it against your face and inhale slightly through your nose to create some suction. Let go of the mask, and if it remains stuck to your face, then the mask fits you will and will be able to form a good, airtight seal with your face. If the mask does not have a comfortable strap, you can purchase a strap pad or a separate strap to use with the mask. If you wear glasses or contacts, consider getting a mask with prescription lenses.
After Purchase
Most masks come with an oily film over the lenses to protect them from getting scratched during shipping. You should remove this film before diving with the mask. Use non-gel toothpaste to clean the inside and outer surfaces of the mask to remove the film. Then rinse the mask thoroughly to remove the toothpaste.
Maintenance
Proper care and maintenance of your mask can help this piece of gear last longer. As you assemble your gear before a dive or rest between dives, set your mask down face-up to avoid scratching the lenses. Rinse your mask in freshwater after each dive to remove salt and sand from the mask. Dry the mask completely before you store the mask to prevent any bacteria from growing on it. Store the mask in a hard case to protect it. Do not leave your mask out in the sun, as sun can damage the silicone of the mask.
Defogging Techniques
Certain techniques can prevent your mask from fogging up underwater. You can find commercial mask defogger solutions at most dive shops. Rub a few drops of such a solution onto the insides of your mask lenses, and then rinse the mask with freshwater a few times so that drops of the solution do not get in your eyes. You can also use a non-gel toothpaste as a defogger solution.
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