Before taking the plunge, you should also do a ‘buddy check’ to make sure that your buddy’s gear and your own are working properly. In this way, you could prevent any possible problems concerning your equipment. Even when using equipment of your own, it would be crucial to check it out carefully before your dive. This would help you to avoid situations like discovering that your vital scuba regulator isn’t functioning whilst underwater. Further, before diving, you must have an idea of the maximum depth of the dive, how long it would be and the quantity of air you would have when commencing your ascent to the surface.