how to defog diving mask
one practical solution on how to keep fog free your mask
one practical solution to keep your new mask clear while diving, is before the dive to brush and wash with some powder soap, leaving a small soap layer preventing the mask to fog up. Especially if the mask is brand new this procedure is necessary to remove existing silicon film on the lens.
After this initial solution, you can do this with some gentle liquid soap for dishes, just one or two drop and gently wash before the dive.
the usual procedure of spitting in the lens before the dive sometimes cannot be enough for new masks, that needed some special but easy procedure to prevent fog.
Enjoy your clear mask while discovering more of the underwater world !