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  1. Matt2401

    Why does it feel like it's harder for me to empty my lungs at depth?

    This is an excellent point and I would like to add one additional point: exhalation is primarily a passive action on land due to relaxation in the diaphragm. When we inhale the diaphragm contracts and pulls downward opening up space in the thoracic cavity, decreasing pressure in the lungs and...
  2. Matt2401

    Closed 2 Scuba Cylinders XS Scuba X7100 - 100cf

    Im interested if you are in Florida.
  3. Matt2401

    Lesson “confirmed” on certification dive

    That is a good point! I caught a tank valve only partially opened during my pre-check and I usually do breathe off of both second stages but I will make it purposeful now. Thank you for that information.
  4. Matt2401

    Lesson “confirmed” on certification dive

    Thank you for your links to devices as well. I’m going to try a few out as see what works best. I’m glad I shared this. I honestly was just hoping it would help someone else out in their training, but I picked up some great tips from y’all. Thank you for sharing!
  5. Matt2401

    Lesson “confirmed” on certification dive

    Thank you! That’s a cool piece of equipment I didn’t even know existed. I’m definitely going to try one out. I agree with you on the danger of COVID. I’m thankful to be vaccinated and never contracted it. The X-rays of even the mildly symptomatic can be dramatic, and this is one disease I was...
  6. Matt2401

    Lesson “confirmed” on certification dive

    You got it close enough. The mouthpiece (if I remember right, this was over two decades ago) actually tore apart. I had part of it in my mouth and the other half floated away with the regulator. I remember afterwards looking at it and thinking it was so weird where the silicone split. I’m...
  7. Matt2401

    Lesson “confirmed” on certification dive

    Hi all, Back awhile ago when I completed my first OW dive for my certification I had a minor incident that has been instructive to me over the years of diving. I was in a group of 10 or so students. The instructor had us all go down to the bottom at about 15-20 feet. He would then have us...
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