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I cave dive and switched from having both SPGs and transmitters to just transmitters. The extra line entanglement from either running the transmitters up top (which I didn't like because they stuck up weirdly above the reg/tank when transporting) or running the SPGs on top wasn't worth it along...

Peacock, Orange Grove, Hole in the Wall, Twin Caves, Buford, and Emerald to name a few. There's a ton more if an Intro to Cave Diver wants to be adventurous.

Could make a small positive difference. Rate of off gassing is linked to the differential between the nitrogen in the gas mix you're breathing and the nitrogen in your tissues. The greater the differential the more efficient/quick the off gassing, so if you have a rich mix, it definitely can't...

Helmets in sidemount don't seem all that necessary, just wear a hood.

Why would anyone do this? Are you sure you were in the right spot? I've not been out there but that area you're in doesn't look all the disturbed and it's possible it's just a depression

I voted "was recently taught that way" as it's something we discussed in my AN/DP class but also it was stressed to ALWAYS verify bottle contents when doing gas switches and to engage in the proper procedure for this. I was in sidemount and we were able to experiment with multiple ways to carry...

Plenty of low/no flow caves in FL too, not everything's like Ginnie

I had an incident on a boat diving sidemount where my transmitter on my left tank lost connection. I noticed it as I jumped in the water and had to haul myself back out, and the crew were nice enough to grab my backup SPG and install it. Kind of annoying. First time I've had an issue...

Did anyone ever find a solution to this problem on their phone? I just started to see this occur on the Chrome for desktop and was able to follow the advice to uncheck the box for insecured sites. Haven't found a way to do that in Chrome for Android on my phone... I end up having to open an...

DIN is just better, the oring is much larger/stronger and the sealing face is much larger + it's completely captured by the screw in DIN fitting, so it less likely to get nicked, dislodged, have an oring blow out, etc. Many/most regs can be converted to DIN, and then you can just carry a DIN to...

Are you diving in a 7ft long hose configuration?

How are you routing your long hose? Shouldn't be that tight around your neck unless you're super tall. I also don't see the point of a 90 degree elbow on a long hose, definitely an additional unneeded failure point IMO. Typical long hose routing is route down right side of body to waist, then...

Just curious why you believe backmount is more practical for your expected dive locations? Honestly it sounds like you are making arguments for sidemount yourself as you're talking about moving single tanks around, etc. If diving off boats, you could potentially gear up in the water and clip...

What is your thought process behind it being functionally impossible? In open circuit, your percentage of oxygen doesn't change, so if the computer knows your depth and the ppO2 of the gas, then it should be simple to calculate the percentage of oxygen in the mixture. If high pressure is the...

Another option is to search for and review the buoyancy swing for your tanks, weight yourself to be more or less neutral with full tanks and then add the extra weight to compensate for the buoyancy swing. Check this sheet for tank buoyancy swings: SCUBA Cylinder Specifications – Huron Scuba...

Assuming your LP85s are Faber's, I suspect you'll want to add some weight to your rig as they're even lighter/less negative than the 108s. The 85s are about neutral when empty. I'm 5'10 and about 180lbs, so not crazy overweight or anything that would add extra buoyancy. I'd hate to have to share...

What tanks are you using? I dive sidemount Faber 108s in a drysuit and need about 12lbs lead with my Hollis Katana 2 in freshwater to be about neutral without tanks on. The Faber tanks are only about 1lb negative when empty so that means I try to get pretty close to neutral without tanks on.

Why not just teach in a long hose? Seems like having two OW Single sets of regs is kinda redundant. Then you just need one extra reg or you can convert doubles regs back and forth if you don't plan to switch back and forth frequently

Sounds a bit like a panic attack but also make sure your regulator is tuned for easy breathing. Shouldn't feel like work to take a breath

I've had an up current diving in Jupiter that surprised me. Walls that you dive there typically are only 30-40 feet tall with the sand bottom at 90-100 feet and the top of the wall in the 60 foot range