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I know we've all heard it before, "That was a big dive" or "...and then we followed it up with a little dive in ABC Cave." So, that made me start wondering: What makes one cave dive bigger or smaller than another? Is it penetration, total run time, navigational decisions, depth, deco time...

Hey guys, there's been a lot of talk about cheaper lights on here....eBay and Amazon have been a big source for chinese lights, and they seem to be OEM stuff with little US support. Have any of y'all played with ANO Lights? I finally had a chance to. I'm sure everyone on here has seen them...

I have a set of in-hydro PST LP104s with Halcyon valves and crossbar. Tanks are currently plugged for SM use. Located in Greenville, SC. I can get them to cave country or somewhere in between and/or help arrange rides. $450 in SM with crossbar. Can replace Halcyon valves with vindicators upon...

Have you guys considered a "cave mode" for deco calculations? I don't know what to call it, but my thought was to make it something similar to the @+5 but actually regarding exiting the cave. It won't work for all caves (high flow, traverses, non-standard dives, etc) but since you know the...

So, I had a similar story to Diver0001's that I felt like posting. I'll post the stories and then my lessons learned. I was diving with an Instructor that was a highly certified diver (Trimix, Full Cave, MSDT, etc). I worked at his shop. I helped guide classes, teach classes, sell gear, fix...

I bought these used with very few dives on them, dove them a few times and have since switched drysuits to a neoprene suit. These simply don't fit me at all. I believe the pants are actually XLS.....but I'm 6'6" and they fit me fine. The previous owner was much shorter and they fit him well...

Dive Rite Nomad fits my wife a little too loosely, we're looking to get her in something that fits her better. Great rig, fresh water only. Price is $200 shipped CONUS.

We're selling these regs because my wife and I are trying to consolidate reg makes/models. The regs are currently set up in a hogarthian configuration: Hollis 221 on a braided short hose on a bungee, Hollis 212 on a 7' rubber long-hose, Oceanic Yoke 1st stage with turret, SPG with a clip. I'll...

This is a practically new Aeris EX Lite with a Dive Rite 1" Crotch Strap with a scooter ring. The reason for the crotch strap was personal choice, and no mods were made to accommodate it. My wife fell in love with the idea of the crotch strap, so we added one. It has under a dozen dives on...

This is a fairly basic Oceanic "Flex" BCD. It's a few years old but in great shape. It has pockets but doesn't have the weight pockets. It has a brand new inflator, elbow, and corrugated hose. The only reason we're selling it is to buy my wife a dedicated SM rig. This BCD is also slightly...

So, in a bit of an embarassing twist, I promised my instructor I'd have a more clever stage mounting system than what he was currently using. I haven't had a chance to play with AL80s yet (outside of class), but am looking for ideas. I've tried the "Rob Neto" method and found it to be a pain...

Hey guys, I'd like your help writing a letter. I ran across a dive professional I know at Vortex Springs. He led a group of 8 or 9 people that CLEARLY have no business being in an open water environment, with 4 lights between them, to the Piano Room. I know it's common, but it's ridiculous...

Hey guys....so I bought my wife a White's Fusion Sport after reading all of the great reviews on it to see if she liked diving dry. She absolutely fell in love with it, but this suit is just slightly too small for her. The next step up is too big for her. This has brand new seals, zipper is in...

Hey guys, I've been fairly concerned about it but haven't given it much thought until the recent "pinched nerve or DCS" thread, so I figured I'd ask. I've been suffering from a herniated disc since May 2013. L4-L5 is centrally herniated and not causing me any pain. L5-S1 is herniated...

I was sent the link to this the other day, and I've GOT to ask if anyone's been. Apparently, there's a tank rental and fill station place right across the water. All inclusive, 100% private. Thoughts? Fort Morgan Cay: Private Island

This is an attempt at splitting an OT conversation from another thread, I apologize if I do a bad job :D. The discussion started wandering and ended up at this topic. If you're a rec diver, with OW or AOW or even Rescue training, but no deco training, what do you do when your computer starts...

This is a visual analogy to explain ong-assing and off-gassing procedures. It's not 100% physiologically accurate, but it is close enough for government work. First, the basics: Take a sink, fill it with water. Poke a hole in the side near the bottom. The more water that is in the sink, the...

Hey all, let me start off by saying that I've never been to the High Springs area. I want to go, but all of the housing options I can find has me driving over an hour each way or camping, and then driving to get fills anyway. The main question I have is because I was told by a local that he...

Hey guys, I've been diving dry for a little over a year (Hollis FX100) and am comfortable dry, but I'm not very prone to cold. I just bought my wife a used White's Fusion Sport (really cheap) that might be a tiny bit on the small side for her. I know it's a weird way to phrase it, but I'm not...

I know there are some kits out there, but are there any good DIY guides/ideas for a gas analyzer? I'm going on a trip in late September and want a CO and O2 analyzer by then. I'm hoping to have a single box with a single intake (probably BC flow limiter like OxyCheq) that will read CO, O2 and...