Just buy a rebreather and get a good fill at your LDS. 4 liter tank at 200 bar, 800 minutes.
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There's a little known faint postscript at the bottom page of Boyle's Law that states that the more times you bring cooked & chilled lobster chunks in a disposable container when you drop off your tanks......that magically the PSI increases in direct proportion to the lobster chunks.
Don't believe me????...............Try it !!
I knew that was you when I read the post. Didn’t have to look at the author.There's a little known faint postscript at the bottom page of Boyle's Law that states that the more times you bring cooked & chilled lobster chunks in a disposable container when you drop off your tanks......that magically the PSI increases in direct proportion to the lobster chunks.
Don't believe me????...............Try it !!
6,000+ dives, and I'm always the first guy out of gas. Owned a liveaboard for 20 years. Now, I will usually reach NDL before I run out of gas, so I don't worry about it, but 325 lbs and a 9 liter lung volume means I have to push hard....
I gave up trying that years ago. It's not even worth asking. I just had different size tanks depending on the type of dive I was doing.
Leesburg Florida was about as far south as I ever got getting a cave fill. I did get a couple of 3000psi fills on a boat but that's just because they filled everything of that.
So a person looking for certain type of fills is now defined as an air hog? this board certainly has diversity, specially when it comes to mental abilities.
I hope there is a place, and the OP finds it. I'm still mourning the death of Dive Express in Dixie Hwy. It was so nice to deal with people that understood the magic of compressing combination of gasses into metal vessels. Like others have mentioned, for some dive operators it is like the future of the planet is in their hands.
I've actually had a store telling me they don't feel comfortable giving me 40% because I was too casual the day before dropping the tanks, and didn't sound like I fully understood the consequences of breathing that mix.