Due to our constant interest in the marine life and activity display underwater, we kept finding our selves taking in large breaths to be able to go down and explore. Learning how to equalise my ears was a life saver, as it allowed me to get closer then ever before to the fauna and flora on the sea bed.
Treading water test -
Treading water was also used during our stay at Rottnest, as there were multiple times were friends chatted above the surface, clearing out masks, readjusting equipment and so on. So practising long periods of treading water was very good in helping ourselves getting ready for the unpredictable water conditions.
100 meter swim test -
Also knowing that a person can swim 100 meters was crucial, due to the fact that in a total distance of snorkelling around the bay, a person would have swam further then that distance. Also knowing that the persons physical fitness was up to standards, was reassuring and comforting not only for our supervisors, but ourselves and friends. It was very important to know wheather or not somebody could or couldn't swim this test, as the pool conditions would have been a lot smoother then the natural currents and waves of the