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    Likelihood of getting oxygen toxicity at 1.4 PPO

    I do 3 hour dives using a CCR using 1.4 ppo2 and i have many dives at 4 hours at 1.3 ppo2, 6 hrs at 1.2 ppo2. And that's on a CCR.... so if you were on OC 1.4 ppo2 is nothing, but keep this in mind a CCR keeps your ppo2 the same throughout a dive, when using OC your ppo2 will change with depth....
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    Thinking of doubling up my HP80s

    Yah I see what you’re saying... I would try it. It’s not exactly conventional but hey if it works whatever. Happy, safe diving!
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    How many dives before you cease to be a beginner ? [Poll]

    I’ve been diving rebreathers for a good while now and I would say this about Dave Shaw’s death... around the time that he died I was just starting to do bigger deeper dives... so I’m not a dive god or anything I just remember back then the sample source for information was very small. In fact I...
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    Hello

    Thanks for the help... I don’t know if it’s a phone issue or what but I couldn’t find the thread to save my life
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    Thinking of doubling up my HP80s

    hello, I also have really bad knees... 4 surgeries down and I need a 5th. I usually take my doubles to the water or boat on a dolly, then I put them on in the water... saves on the knees. However if I were going to go with double Al 80s I would only use Luxfer tanks... with about 200 psi they...
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    How many dives before you cease to be a beginner ? [Poll]

    I’ve known guys who have a lot of dives but their skills were lacking. I’ve also known guys who have had as few as 20 dives but their skills were very good.... so the way I determine someone as a diver or non beginner is based on skill set and composure alone. Do they remain calm and work...
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    Hello

    Thank you.... I do know a thing or two but I really don’t like to be a know it all. I may post here or there when I think I can add value. I’m selling a complete blending station and a CCR rebreather Mako compressor Haskel O2 booster Multiple tanks for an air bank Megalodon CCR rebreather
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    For Sale Complete Fill station & a rebreather

    I’m selling the following pieces of equipment. Mako compressor- this compressor has a new motor on it and comes with 4 large tanks to store air mounted to it. This is a LARGE compressor capable of filling to 7500 psi. I have lots of spare parts that will go with this unit as well. This is a...
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    Hello

    Hello all, I’ve seen this forum for years and periodically will drop in to read a post that comes up in google or something but I’ve never had a membership to this site myself. I’ve been diving for a long time doing mostly deep Tec, wreck and cave. I have done some professional diving, recovery...
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