Moved my Question onto the end of thread below rather than duplicating the topic ;
Q - Re. Breath Holding Tables - Benifit to Spearo?
http://forums.deeperblue.com/beginner-freediving/81546-co2-o2-table-question.html#post750516
Q - Re. Breath Holding Tables - Benifit to Spearo?
http://forums.deeperblue.com/beginner-freediving/81546-co2-o2-table-question.html#post750516
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