I recently bought two D6 Signature second stages to go with two D6 first stages I already had. They work great and breath amazing, but one of them is making a metallic whistling sound when inhaling underwater (not on land).
I played with the adjustment and the pre-dive switch while breathing...
Thanks everyone for all the replies! I'm taking Full Cave in October and have been thinking about all the different navigation scenarios I might encounter. This was really helpful.
Question: When passing other diver's jump lines already in place, do you treat them like a T and mark your exit side with a cookie / REM, or do you disregard them?
Thanks
Plus when diving on air / nitrox at that depth narcosis is a significant factor. Maybe not when everything is going well. But if you run out of air, your emergency decision making is going to be severely impaired.
I think considering these kids were only 15 and 17, they did remarkably well. I would suggest that a lot of adults in a similar situation (assuming no knowledge of scuba), would also be hesitant to approach a diver, thinking that maybe this behavior was normal (remember we are looking at it from...
I was thinking the same thing when I read what they did. It is a very remote spot, I'm sure they felt pretty helpless when they realized the divers were in trouble. They did a good job to do everything they did to try and help.
This thread from 2020 has some pictures of the boardwalk and the spring itself. It also has a discussion about what effects the easier access to the site could lead to...
https://scubaboard.com/community/threads/buford-sink.581573/
It used to be a very difficult to access site. But they put a boardwalk in a couple of years ago. It made it much easier to get to the spring, but it does mean that a lot more divers are now diving it than before. Previously having to find the spring in the middle of a swamp probably put most...
When the conditions are good the viz can be crystal clear. The shear size of the Cavern (it is huge) make it more like diving in open blue water where you can be a lot deeper than you think you are if you aren't paying attention. There are lines at the bottom with arrows, but from my experience...
Before I switched to a BP/W (best choice) I was able to retrofit my Mares BC with a homemade crotch strap similar to the Dive Rite 1" one. I threaded it around the waist belt. Made a world of difference!
I had a Mares BC for over ten years. Never had any issues. It was rugged and dependable. I only sold it when I switched to a BP/W setup.
From my experience the Mares brand is more popular in Europe than in the US, which might lead to you getting more negative feedback here on Mares. There are...
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