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  1. M-diver

    Info TDI Rebreather Cavern/Intro to Cave

    Yes, I stand corrected. At least for the lost line drill, upon finding the line, you tie your search reel to it and then mark your (guessed) exit direction with an arrow. Some folks will mark their primarily line to the gold line with an arrow (folks do it to ID their line) but it is not really...
  2. M-diver

    Info TDI Rebreather Cavern/Intro to Cave

    No harm in practicing jumps and use of cookies & arrows but be advised that TDI intro to cave restricts you to the gold line (no navigation decisions). I doubt this will be included in class. However running a reel from the open water to the gold line is an inherent part of the class and the...
  3. M-diver

    Info TDI Rebreather Cavern/Intro to Cave

    The overall experience will be dependent on your instructor and the location where you will be taking your class. I assume that you don't have prior cave training on OC and you are doing it on CC for the first time. You are expected to practice diving fundamentals before you start the class...
  4. M-diver

    Closed Deep Sea Supply Torus 17 - $75 + Shipping

    I checked with the seller and it won't work for my setup. Great wing and price. Hope it works for you!
  5. M-diver

    Question Dilemma: Aldora or Tres Pelicanos

    I did Devils Throat once, checked my log and it was 128 ft max depth. Given Coz fill station doesn't do custom mixes and the best you can go for this dive as nitrox gas is EAN32, it is getting too close to OxTox safety limit in my opinion. The variation in mixes and the fact that people don't...
  6. M-diver

    Sherwood SR-1 "Problems" - request for first-hand experience

    Here is my real life story - had an SR-1 (Yoke) diving primarily cold waters of Great Lakes. Didn't have much issues and as I moved into tech, I changed to APEX DIN regs. The SR-1 became my travel reg but was also used by my son locally when we dove together. We go on one of the charters and...
  7. M-diver

    Closed Older Mares BCD Weight Pouch

    I think I have what you’re looking for, message me directly
  8. M-diver

    Some Newbie Thoughts on Gear

    Nice write up. Diving is a journey, underwater and thru a dive gear. Looks like you have good observations about what works for you and you make adjustments as needed. This will continue as you gain more experience and get into different environments and it is an integral part of the hobby...
  9. M-diver

    I am a Shipwreck addict! Best Caribbean wrecks?

    Looking at your profile, you’re based in Chicago. I understand that you asked recommendations for warm water but being a “shipwreck addict” you apparently missing the best place to find real shipwrecks filled with history and mystery in your own backyard. Great Lakes have thousands of...
  10. M-diver

    Tech Diving BCD questions

    As far as I know, Dive Rite doesn’t make a “BCD”, they have harnesses and wings. For harness it will be either Transpac (soft plate) or Transplate (hard steel or aluminum) plate. They also sell just the harness. Classic refers to a particular wing, if it is indeed the classic and not classic XT...
  11. M-diver

    AL 45 as a pony

    My opinion is that having an alternative gas source is a good practice, including deeper recreational dives. I wouldn’t bother for shallow reefs though. I have an adjustable travel stage setup that allows me to sling various size tanks as available at my destination. I did use AL 30, 40 and 80...
  12. M-diver

    Building a Save a Dive kit

    Hidden in one of the earlier posts but not called out - duct tape. I used it for many field repairs or to write my deco plan and tape it to my fin. Left is the plan, right is the “lost gas” schedule
  13. M-diver

    Should I get slightly lower quality octo than my primary?

    To echo others, I consider both 2nd stages on my regs (doubles or single) as primary. Assuming an emergency scenario where diver B has to use the 2nd reg of diver A, the diver B will be likely under stress due to the event that created that need, breathing heavily; hence the reg shall perform...
  14. M-diver

    New diver in Chicago

    Rich, welcome into diving and Scubaboard. I always prefer to have my training dives in places (or similar conditions) i intend to dive most. It is also good to face more difficult environments under guidance. I find that use of skills that were trained well, easy to transfer to less demanding...
  15. M-diver

    Buoyant ascents

    While I agree that gas management and awareness during the dive are key to safe practice of the sport, the question posed by the OP is still relevant. OOA can happen and not due to neglecting monitoring your SPG. Last year I was on a dive with my son when I saw him switching to his pony at about...
  16. M-diver

    DUI CF200 lifespan?

    I bought two used cf200s for my son and myself eight years ago, we do use them quite a lot wreck diving Great Lakes. The way it looks, the suits will keep diving (with another owner) long after I quit diving cold water :) . Zipper was replaced once and seals get ripped occasionally but the suits...
  17. M-diver

    Recommendation for a scuba oxygen analyzer

    I have Palm O2 analyzer and I noticed the directions for calibration in the user manual. I do have both air and O2 usually so not much of an issue but I also checked calibrating on either air or O2 and then measuring mixes 28% to 50% and I can tell that the difference is negligible regardless...
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