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So I just had a conversation with a guy from Australia who is BUYING A SHOP, but Scubapro won't let him attend a manufacturer's certification class until he's serviced 100 regulators. Pretty interesting, compared to the US of A, where 1/3 of the participants at every Level I Scubapro seminar...

Autographed copy in like new condition. Paperback - spine is not even creased. No inside marks or underlining. DGX list price $49.95 Yours for $20 + ~$5 Media Mail postage

Jeff Bozanic's classic textbook, 2nd Edition, 2010 Excellent condition; no marks, notes or underlining; spine undamaged $45-$179 on eBay $30 + Media Mail postage $4-8

This will announce the next in our little series of evening discussions about regulator minutia. Tuesday, October 3, 2023 from 6:30pm to 8:30pm Pacific Daylight Time (9:30 to 11:30pm Eastern). https://us02web.zoom.us/j/87484585294?pwd=MER1L0RhTlFVNno1UmIrZUpwOWJFQT09 Or open up Zoom and enter...

Why does my Shearwater cloud show GF99 continuing to rise for two minutes after I surface? The log apparently clocks the "end dive GF99" the moment my depth hits zero. But the graph shows it continuing to rise before offgassing makes it fall. Which is correct? The logged end dive GF99 is not...

For Sale: New Zeagle Zena with Grape front panel, spare new black front panel, expandable mesh front pocket, Miflex Inflator hose and Zeagle Inflator - $550 and free shipping. This bcd has never been wet and is new and unused. We bought an extra grape (purple) front panel for looks (a $70...

Well, it's out. I had the pleasure of listening to Dean Garraffa introduce AA's new second stage (and tweaked T3 first stage), and I can't wait to get my hands on one. Mr. Garraffa was with Scubapro back in the day, and along with Doug Toth (who designed the D400), they came over and formed...

As discussed previously here Scubapro O-ring Sizes my custom order of EPDM Duro 90 orings that  might match the 01.050.317 in the new Mk19EVO has just arrived from Precision Associates Inc. They are sized at 1.905mm C/S x 2.591mm ID. Hooray! The Min Order Quantity plus the custom run for an...

Who can tell me what this is? I've been a SP tech for a decade and supposedly have all the schematics. Never seen this before. It was paired with a Mk11. Looks like a Frankenreg maybe combining S innards with an old case? Europe? Anyone have a schematic?

(Split off from another thread where the content wasn't relevant)... I brought my sealed, recently serviced T2 and T3 on my bucket list trip to Raja Ampat two months ago. As is my habit, I ensured that both first stages had crisp lockup after service and sealing with Tribolube. The trip was a...

The XStream service manual goes into O2 cleaning in some detail, and the reg is certified for 100% at 3000 psi. Yet the XStream's predecessors have been used for accelerated deco with 100% O2 for decades, and the company markets a Viton service kit. So here's my question: does the absence of...

Invited by a co-worker to join a group of experienced divers who had booked the entire Arenui (thearenui.com) liveaboard. Raja Ampat had been on my bucket list forever, and the invitation tipped my wife and me over the edge. Ridiculously expensive, it promised boutique service, a beautiful...

You gotta love this! Shearwater is touting a new capability called DiveTrak in collaboration with Solardyne. So here's the state of the art photo: And the first stage that the new equipment is demo'ed with? A 40-year-old Scubapro Mk10!!! :rofl3::rofl3::rofl3: Old guys rule!

Experience still doesn't keep you out of trouble... While working on the Deep6 Excursion manual for @LandonL , I was photographing the use of a broached hook spanner that accepts my torque wrench. The Scubatools #6 with a 0.156" pin worked perfectly for manual tightening, but they only sell a...

E-mails or DM's have just gone out to the first batch of folks who have previously expressed an interest in learning scuba regulator repair and restoration. In seven small seminars, we've now graduated over fifty students from the US and all over the world, including Aruba, Australia, Brazil...

Well, I'm still learning things, even after a long time diving and servicing equipment!! I have long espoused the belief that adjustment knobs were a "nice to have" but actually totally unnecessary. As long as you have a valve that doesn't crack when the diaphragm is lowest in the water, you're...

My wife (5'5", 125#) currently dives an Oceanic Hera (Size S). On a shakedown trip to the Keys in preparation for a bucket list trip, she was dialing in trim and weight requirement. It became obvious that the small was too big. Tank and bcd slipping to one side from time to time. Maxing out...

Just surfaced from another great day on the Spiegel Grove. The folks at Horizon Divers were kind enough to let me test this slung 100CF monstrosity. A big shout-out to Bobby, my safety diver, who kept me from being stupid during ~20 reg exchanges, and wrote down all the data. All told, we...

Just heard from my shop that Atomic parts costs have gone up 50% recently. Are you ready for this one? HP seat (Jet Seat) 01-0018-00 retail is now $18!! I think 1st stage kits will be over $40. Maybe that's to justify the supposed cost of the seat? Insane. Scubapro Mk25 HP Seat is around $3.50...

Scubapro MK19 EVO/D420 Dive Regulator System Amazon.com : Scubapro MK19 EVO/D420 Dive Regulator System : Sports & Outdoors Or maybe the D420 isn't selling? Too bad! This resurrection of the D-series has Scubapro's best second stage valve in its entire history. These two are on Amazon, and...