One of the most essential skills in diving is learning to how to clear your mask. Water entering the mask is a fairly common occurrence and learning to  clear this efficiently can make the difference between continuing to have an enjoyable diving versus one where you get stressed, with potentially dangerous consequences. If you are nervous about clearing your mask, practice till that nervousness goes away. You only need a couple of things to click – and once they do, they’ll remain with you forever. Spend the time needed to nail this skill, because it really is fundamental to diving safety. Read the complete article on How to Clear your Mask: Steps, Variant, Problems and Prevention