after finishing the Open Water Diver course you get the opportunity to plunge into the wonderful world of bright colors of underwater flora and fauna, but the initial certificate gives you the opportunity to unveil the mysteries of the deep sea by limiting the depth of dives 18 metres, and so interesting that there are deeper and deeper we will see a lot of sunken objects, animals of large dimensions, as lucky, swim with sharks and uncover many other mysteries deeper. If interesting that there lurks beneath, then you definitely need to take a course DEEP DIVING and expand its capabilities in depths of up to 40 meters. During the course you will learn how to choose the right equipment for deep adventures, will examine the physiology of the human body under the influence of high pressure, learn how to calculate the amount of air required for a dive to a particular depth.