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Free diving fatality then

some time to go diving

Replace it with a Shearwater display....

Bob hit the nail on the head! Please understand that once you descent your ppn2 will increase and have an impact on your ability to quickly and correctly perform tasks when stressed. Self assessment is not a great strategy and will give you a false sense of security. I am one of those divers...

The Citizen Aqualand and Promaster dive watches are well worth the money/performance. I own an Aqualand that is 8years old that has seen a lot of diving and still looking great. They are incredibly durable and extremely accurate timekeepers. My aqualand is 5seconds quick over a month, or...

DGX600 dive lights are durable, powerfully, compact with fantastic waterproofing. Best bang for buck IMO.

Sure, go ahead. You seem to have everything figured out already.

Ascent rates, at least for me is based on the pressure differentials during parts of my profile. Let me try to explain this a bit better with some examples in open water situations. Ascending from a deep dive (300ft) my initial rate leaving the bottom could be as high as 20-30 meters per...

Forget about the Nova's and stick to your initial choice - Apeks RK3, they are as modern as you will get.

Use the closest "worst gas" available on the table and calculate you ascent profile. If you have EAN37 use EAN36 or less.

This is very unfortunate.

So what is the problem? The BT is to be used as a backup device as per original question, not as a primary DC. Even if you are in a "tight" spot you can use a BT with avg depth information to calculate an ascent profile...

Do you not know how to plan multi level dives?

Bottom Timer and slate. Works for air, nitrox and trimix dives... https://ww2.scubapro.com/en-GB/AUS/instruments/gauges/products/digital-330m.aspx

same problem

It was an important experience and one that will serve you well in the future. Understanding how panic sets in and how disabling it is to make the correct decision is priceless. You really only learn when you make mistakes or experience real problems while diving. Uneventful dives teaches you...

Not sure. Even if you give it a name the details is not defined. Its some version of RGBM.

Would it be appropriate to label you as a thief since you lived in Hillbrow? If the answer is No, then generalizing that poor people steal is just as distasteful... People steal irrespective of income or social hierarchy.

I had a Helo 2 and used a -2 setting. Even at -2 the algorithm is still conservative IMO. I executed 60-80m dives regularly without problems.

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