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The ID of the Optical Snoot is 56.2 mm. No: it's not a perfect circle. There are 4 wide and shallow 'notches." From "notch" to "notch" is 57.4 mm. Also, the collar of the snoot is a soft rubber-like material that flexes and holds onto the Mini Flash 2. The OD of the Mini Flash 2 is 55.3 and...

I'm on the same quest. Did the 20 x 2 o-rings work? Thanks.

67, >500 dives, certified for 17 years.

Link?

An adult who surfaces while holding a breath of compressed air from as shallow as four feet can embolize a lung. Not sure if it would be even shallower for a kid. Providing anyone untrained with compressed gas underwater breathing apparatus is negligent at a minimum. Providing an untrained...

I have the original model, with voice communication. I carry it on every dive. I’ve not had problems with it. Fortunately, I’ve not used it for a real emergency. No use of the “red button.” But I have used it for talking to the dive boat. For instance, my buddy and I surfaced well down...

Done and shared on my social media. LET’S MAKE THIS HAPPEN!

I agree that this instructor should be reported. The NUMBER ONE RULE of ALL rescue situations is to NOT BECOME ANOTHER VICTIM. As we teach it is the BSA, "Don't just do something! Stand there!" In other words, when encountering an emergency situation, don't simply react. Stop and assess...

I have a small surface emergency kit (Storm whistle, signal mirror, strap and a Flourescein tube) in a mesh bag, clipped into a pocket.

Try Corrosion Block. I know it's a bit pricey, but this stuff really works and it only take a little bit. Plus, it will help protect from future corrosion and will work with a lot of scuba gear. I always stock a bottle in my dive tools. https://learchem.com/products/corrosion-block.html

If I read your post correctly, you'll be using your own gear on that boat dive. If so, you can get really, really close to your ideal weight before you even hit the water. Weigh all of your fresh water gear, lead, tank and you. You'll need to add lead equaling 2.5% of that to have the same...

Yep. I was diving with a random "insta-buddy" on a boat dive in Carmel, California. We were down around 80' and I was running low on NDL time. I signaled him that we'd better go up. I waved me off. I gave him the "thumb" for the dive and he again waived me off. (I strongly believe that the...

You'll save your regulator and your ego by simply tying a boltsnap onto the long hose, near the regulator. Then, whenever your primary reg isn't in your (or your donee's) mouth, clip it off to your right chest D-ring. No falling. No dropping. No draging. (and no laughter and embarrassment...

I'm purely recreational and I dive with a 7' hose. I also set my son up with a 7' hose. It's not hard to route, stays out of the way, and allows for air sharing while going single file through the kelp.

I echo what grantwiscour just said. Lots of good ops, but I've found Kona Honu to be best at addressing individual diver needs. They're super friendly, so give them a call and have a discussion. Also, consider some shore dives, with a guide.

Call DAN, the Divers Alert Network. (919) 684-2948

Once, I, too, forgot to remove my dive knife (and Trilobite line cutter) from my dive harness in my carry-on. Sure enough, TSA pulled my bag to open up. When I saw my knife et al, I felt a chill come up my spine. Nonetheless, I drew the TSA inspector's attention to my steel backplate and...

For wetsuit diving, I use Pirahna Dive Mfg.'s tech shorts and my son uses Highland tech shorts. I really, really like his and recommend that you take a look at them. The pockets are well made and designed and the shorts stay in place, even with wetsuit compression.

Because the law changed and all VHS Marine radios, including handheld, now need to be able to receive DSC automated emergency messages, as well as send them. Nautilus couldn't make that happen and still be small enough to stow in a pocket.