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I currently dive back double LP85s. A shop guy told me yesterday I would be shocked by how much my air consumption would decrease if I switched to double LP50s. He said that the streamlining of 50s is so much better that I would move effortlessly through the water and therefore consume much less...

Just wanted to share with y'all. I took my girlfriend to Morrison Springs on Memorial Day weekend and proposed to her underwater. We were in the upper cavern of and I had written "Will you marry me? Yes / No" on a slate with the ring attached and she circled "Yes" about 10 times!!! When we...

I was dumb and clamped a vice grip pliers onto one of the threaded rods holding my doubles together and now the nut wont turn past that spot. Any advice or tool I could use to straighten or deburr the crushed threads in the middle of the rod?

Some people even scientists have suggested that covid can spread through water. There were some studies of it being found and aerosolized through bath drains I just read about this morning and some scientist in California said it washes out to sea in runoff and then is aerosolized at the beach...

I just wonder if anyone has created a rebreather that costs millions of $$$ and that Elon Musk or other billionaires use and that has some kind of amazing features that the rest of us can only dream about?

Stuff to watch if you are bored: Movies: Sanctum The Cave Time Trap The Descent The Abyss Caddyshack Pick of Destiny Andromeda Strain (both original and remake) 12 Monkeys The Happening Outbreak Slither Mimic The Stand Shows: Planet Earth - Caves Nova - Thai Cave Rescue Nova - First Face of...

I am considering purchasing the Dive Rite Nomad LS system and giving sidemount diving a try. My goal is cave diving with dual steel LP85 tanks in a 5mm wetsuit. Would I need additional weight to be able to hold a safety stop on minimal air? The buoyancy spreadsheet says I likely would. Could I...

The new version doesn't work on my macbook pro. Someone please hook me up with a DMG file for 2.4.x or whatever version was current a few months ago as when I upgraded the old, working application was replaced.

Latest version doesn't work for me. Where is the "Home" button if I am reading it right? None of the buttons do anything if I click. Here is my screen and also my system details:

It says "Press Home to Sign In" but there is no "Home" button anywhere. I cannot click on any of the icons or buttons. Nothing happens. None of my old dives are listed.

Are they diveable and the sites open this weekend?

What are the formulas for calculating standard / accepted practice turn pressures for 2 divers A & B with starting pressures and volumes of Pa, Pb, Va, Vb in PSI and CF?

Do I need to soak my gear after diving in the fresh water springs of Florida or Mexico? I kinda want to disinfect the regs which have been in my mouth or my buddy's mouth, at least. Can I use Star San (Food grade phosphoric acid used in home brewing and wine making. 1 oz per 5 gallons. No...

When I close one of my tank's valve too tight, I can hear it leaking from the valve knob. Are there some o-rings in there I can replace myself? Are they a standard size or is it brand specific? What size is it? Should I take it apart myself? Depressurize first?

Is there a good housing for up to 200 ft depth for which I don't have to remove the outer lens thing and which is less than $100?

First Face of America

DGX has these for $59: Inflation Assemblies - Plain Elbow | Dive Gear Express® Anywhere cheaper with decent quality?

Want to buy a dual bladder wing for back doubles, at least 45 lbs of lift.

There is this one from Piranha Dive: 40lb Donut Tec Wing for Doubles! w/ free Domestic Shipping in BLACK and then this one from DGX: DGX Gears D1 Doubles Wing - 55lb Lift | Dive Gear Express® Any other inexpensive doubles wings out there? Know anything about the ones above?