technical

Hi, I am in the market for a set of regulators for light technical application. My budget is quite tight, but the Tecline R4 and R5 with Tec 2 second sage seems to be at a reasonable price point for me. However, I’m not sure which one to pick. Both of them seem to work great in cold water, but...

Bonaire December 2023, Over the course of one week (Monday to Monday) I was able to do 6 dives to 50m (165ft) and 7 shallower dives to 30m(100 ft), including two night dives. All of them shore dives alone. Logistics: Flight from Miami: The temperature is 85F in full sun once the door opens...

Hi all. My buddy and I just finished our TDI sidemount course and we are interested to find anyone else that's diving sidemount or twins around Oahu. Also plan on taking a decompression procedures course in the near future. Is there a sidemount/tech diving scene on island?

Hi all, Im heading to egypt for a couple of weeks in April and considering to further my technical/gas/deco knowledge a little. Im an instructor with both PADI and SSI and but havent been teaching for a good few years. I dont really feel like I've done any learning for a long time and quite keen...

I am newly interested in moving into back-mounted doubles and looking into the different systems. I have talked with several advanced technical as well as cave divers and I have a newby question about how the gas is managed on a set of back-mounted twin cylinders. Everyone in my local area...

Hello Folk Anyone up to brave fall/winter diving in south-western Ontario - particularly divers with a DPV diver propulsion vehicle aka a "Scooter" please let me know if you are interested, send me a PM. Always happy to meet new divers and willing to explore new sites!

Hello all, We've come across a few posts regarding Oxygen and CO sensors when testing Oxygen concentrations and the presence of CO, We'd like to help with any technical questions or support any members have. DD-Scientific

For sale is a KISS Sport rebreather with the stainless steel box (vs the Aluminum) and a three cell (PSR-11-39-MD) sensor pod with a single fischer cable from Tecme. I changed out the original KISS BOV for a DSV (can't remember the brand). Also added a SS handle/ pod protector to the frame...

Mares XR 25 CR tek set It will come with the original rubber hoses (never used) 2 1st stages and 2 2nd stages Will not come with the braided hoses or swivels in pictures. PayPal or cash only Shipping at buyers expense $475 Will be in south Florida (Fort Lauderdale area) October 20-24 if you...

Is anybody here interested in taking Tech 1 anytime soon? More specifically in South Florida, as I am a wetsuit diver. I got nothing scheduled, but I have a couple of instructors who are willing to teach here in South Florida as long as I find someone else to take it with me.

Due to an injury, my tech days are postponed for quite a while so I would rather turn these into cash. I am motivated to sell. Located in Broward FL and prefer local pick-up. All tanks have current Hydro and are DIN LP 85 Doubles Matching Pair HYDRO 9/18 $425 LP 108s Hydros 2/19 $140 each...

Hello, I am moving so I am putting up for sale my ULWD LD-35 with sidemount gland and 107 battery of which I am the original owner. This is an amazing light and works flawlessly. I always rinse down with fresh water after diving and have keep the light stored in a climate controlled room of...

$300 USD + shipping - Dive Rite Nitek Q trimix / constant PO2 rebreather computer. One scratch on glass before screen protector went on. Battery is in good shape. Comes with bungee kit. Will ship internationally. Thanks for looking, J

Thinking about taking a couple/few months off next year to get formal technical training. Since I lived in the Riviera Maya before, I was thinking Cozumel or Playa or Tulum, but would be open to other locations in the area if it is the right choice. My idea is to take the full range of tech...

So, I've been diving for a couple of years and have logged 72 dives. I have always been comfortable underwater and can also perform decent freediving. When swimming in the sea for fun I'm ok with going down to 10 meters to explore and hold my breath for a minute, comfortably coming back up...

Hello Ladies and Gents, Here is the question. Where do you guys and gals carry a stage when you also have 2 deco bottles. I generally don't carry bottles on the right side due to my canister light which comes with me on almost all dives unless absolutely no light would be required (40 ft...

This light is in great shape, having been gently used only a handful of times for travel and as a backup to my usual HID light. No signs of corrosion whatsoever; I have always taken great care to rinse thoroughly after each use. It has always been stored in a carefully climate-controlled...

Great condition, barely used. Plenty of lift yet streamlined, can do sidemount, backmount single and even doubles. Harness is uncut and can fit anyone, tagged size is L. Located in Hobart, Australia. Can ship worldwide at buyers expense of within Australia. Feel free to email me at...

Zeagle SAR BCD. Been in water one time , otherwise brand new. Public safety bcd. Top of the line. 900$

Bought in August 2016 and used for 8 dives. Prefer the i3 inflator system for my adaptive diving. Going back to Aqua lung system. Constructed of heavily reinforced 1050 denier ballistic nylon, the Tech BC is comfortable, balanced, and secure. The Tech has a twin buckle front closure rather than...