Quote:
Originally Posted by danpass
Both of the above activities give me a 25sec breath hold max comfortable.
Would I be able to get to the wreck and back if I can get at least 45sec in the walk/breath-hold exercise? again, comfortably - no going for "those extra 5secs" lol
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There may be no direct correlation with your walk/breath-hold excercise and your underwater working time. It is like comparing apples to oranges and the two times can vary alot from person to person. While underwater you can benefit from a much stronger dive reflex which can result in longer breath holds. It is also easier to relax in the water. You may have noticed that after making a few breath hold dives your holds might get longer. This is a result of the dive reflex kicking in.
In answer to your question, yes, a 25 sec hold while actively swimming can get you to 33 feet (and more) and back. If you have never been to 33 feet it may feel a little uncomfortable the first time you try it so it may be slightly more difficult than you anticipate. Ideally, you should gradually work up to 33 feet and not make that a goal your first time out. Whatever you do be sure you don't push your limits and dive with a competent buddy
Have fun!