Marlinspike
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I took the class a while ago in conjunction with Advanced Open Water. One of the more usefull skills was passing through hula-hoops placed at different depths using lung volume to control our depth. The instructor made a circular route with the hula-hoops . Half were placed at different depths on the roof of a submerged bus, the rest were beside the bus. I figure depth range was somewhere from 30 to 18 feet or so. Great excercise, made even better by cold quarry water with about 10-12 feet of vis.
Padi-bashers take note. This was a Padi course. Instructors make all the difference.
~Marlinspike
Padi-bashers take note. This was a Padi course. Instructors make all the difference.
~Marlinspike