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I found the tone of my instructors in tech 1 and cave 1 consistent with the severity of the training I was receiving. Failing to demonstrate good enough skills or violating standards has led to painful and slow terrifying deaths, those accidents which paved the way for the standards we practice...

Whats your gas rule/turn pressure for a solo cave dive?

https://www.ebay.com/itm/233695244738?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=t8sxWnanRo2&sssrc=2349624&ssuid=KzKjd7csSRG&var=&widget_ver=artemis&media=COPY This eBay store has the best reputation for service of the old nikonos cameras

A loss of a 1st stage on a dive that requires doubles is a thumbed dive anyway, as long as your Min gas or Thirds gas planning is correct, with a failed 1st stage, or blown burst disc, there will always be enough gas for an exit, return to a shotline, or immediate ascent with an smb. Part of...

Used but in very good condition Can ship or be picked up near 01923 or in Boston/Cambridge on weekdays Thanks for looking Jeff

For Sale 2 lp120s Last hydro may 2015 Din valves $225ea/$400 for both Pickup in 01923

I’m all out of small blue batteries for my xen and while it is old and defunct it still works and would be a great backup for a few more years with another 3-pack of batteries. So does anyone know if a source for these in the states? Thanks Jeff

I stow my light in the temp position and tuck the cord maybe 10 feet before the stop But pulling the hose before getting situated at switch depth, checking depth then checking bottle markings and mod sticker in that order seems to ask for trouble Focusing on one step of the process at a time...

Wow

“my dilema is Im still learning to dive and wondering if I should get more experience under my belt before I jump to doubles?” Sounds like a lot of these responses are from people that were in your shoes and through their personal experience are saying that you should wait until after your...

I did my fundamentals in a dry suit and singles and really wish I had stuck to a wetsuit. If you’re a beginning diver you’ll get a lot more value out of those 4 or 5 days if you have less to worry about than the air filling up your feet on ascent descent drills. Also the difference in strength...

Bump, This has sat around my house for a while. Barely used, would let this go for $250 or your best offer shipped within the US Have a one sided tray, arm and ds 51 strobe I can include in the package for a reasonable price. Get into u/w photography for a very low intro commitment! Thanks...

The consensus I’ve heard is that it’s a little cheaper to just get a working one on eBay rather than try to fix an old one. If you’re married to the one you have for sentimental value Southern Nikonos Repairs and Estimates is worth a shot, although I’m not sure if they’re still operating. Good...

I use the rx100 mk2 in a nauticam housing and it makes gorgeous images that are great for making decent size prints and takes amazing video Save some money getting a refurbished mkII and a nice aluminum housing and you’ll take thousands of pictures that are great for the wall or for Facebook...

Are you sure? These are a couple that have worn out over the years, one is probably 10 years old and the other is like 4 and its the same as the one on my current backplate even though the H's are an antisocial hipster yellow color instead of the regular blue. You could also use non-printed...

The jet fins are great for drysuit diving needing the weight back there and have a nice thick cross section for back kicks and helicopter turns I wear a size 10.5 shoe with turbo soles and dove with XLs for a while and had a revelation when I borrowed a pair of XXLs and found them to be much...

The h's are made equidistant from the bolt hole in the middle of the webbing. They're pretty useful if you alternate between a thin wetsuit in the tropics and a dry suit at home, also good for ensuring your shoulder straps are the same length and for tweaking lengths if you're having trouble...