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Mercy, I am an instructor for both PADI as well as the Alabama PSD course, so I see divers at all levels, both male and female. Great divers come in all ages and genders, as well as the reverse, the loudest and most critical are the ones who we end up retrieving, and the one who are putting...

The MK17/250V is a great setup, and will serve you well. As a PSD diver, we dive MK17's because the primary chamber is sealed, preventing contamination. In my personal diving, to include (very) deep as well as wreck I prefer the MK25's because the balanced piston flows better/smoother at depth...

To date we have not had an incident, nor have any of our sister units although we have seen gators in the area of searches. We do maintain armed watchers in those situations where possible interaction seems likely, but we just do our job and finish as normal.

We have all had at least one, or more! Most modern balanced regs can be tuned, the problem is that it requires the diver and tech to spend time together while it's being done, and the easier it breathes, the easier it will be to get the reg to free-flow as well.... it's just the nature of the beast.

The difference of even 2 -3 inches can make a noticable difference in the breathing effort due to the relationship of the depth of your lungs in relation to your reg. This will also be noticable on some unbalanced regs at depth when in a vertical postion, such as during ascent on a line. When...