spare air

Hi all, new divers who just invested in x2 Apeks XL4+ kits for me and my wife. After reading the manual it specifically says about pressurised soaking the regs for around an hour, which I intend to do. TLDR What kit should I get to pressure soak the regs. I was intending to get a "spare air"...

I am soliciting opinions on carrying a Spate Air secondary air source for emergencies. I am a relatively new diver that is starting to dive down 70 to 90 feet. My primary fear is equipment failure and needing to rely on a buddy. How common are equipment failures at depth? Is the Spare Air a...

Say I have Spare Air (the air model, not nitrox) and I have an OOA situation on a nitrox dive. Am I correct in assuming that it's safe to switch to the 20.9% backup for my ascent? I can't wrap my head around it at the moment.

Right now the Internet is positively crawling with numerous offers of what appears to be a "Spare Air" clone complete with tank filling accessories and a hand pump. Interestingly this hand pump is claimed to reach 3000 psi! When I read these adverts my thoughts went to untested cylinders and...

Anyone “snorkeled” with spare air? Pros? Cons? Also, does anyone dive with just a small pony bottle? I want something that I can do at the beach without having to have my equipment.

Hello, There are a lot of gadgets nowadays that let you stay underwater for longer periods of time; however, I was wondering, if you freedive to a certain depth and then breath from those equipment while you're under, assuming it's filled with regular air (not oxygen or any special mix) and...

I have two atomic Z2 2nd and 2 DIN 1st stages for doubles. One of the 1st stages is the sealed design, and the other is not. One of the decorative caps is missing, but it does not affect the operation. They are great breathing regs and compact with nicely designed outlets off the 1st stage for...