/r/scuba

Photograph via snooOG

Welcome to /r/scuba where scubbits dive deep! Ask questions and trade tips with a diverse community of divers, from open water newbies to dive instructors, commercial divers and scientists from around the world. Share your stories, pictures and video to have discussions with a subreddit full of people who love the underwater world and dream fishy dreams. Please read the sidebar and widgets! What are you waiting for? Come on in, the water is nice!

Welcome to /r/scuba where scubbits dive deep! Please msg the mods with ideas, links, and info that can help our community grow. Just a warning, we want this community to be about sharing news, stories and experiences, questions and help, and diving photos and video - basically anything diving and dive lifestyle related. But, image meme posts will be removed without mercy, speared like a lionfish in the Caribbean and left on the reef of removed posts to be eaten by oblivion.

If you intend on posting any medically related questions, (like ascending to altitude after a dive) please refer either to your local barotrauma doctor, or call DAN at one of the numbers on the link below

https://www.diversalertnetwork.org/medical/

Remember that the vast majority of members here are NOT qualified to give accurate medical advice!

Would you like a badge?

Click on Edit user flair below on the right side and pick your certification level. (Green is nitrox, red is diver down) If you'd like a Dive Instructor badge you will have to PM a mod to prove you are a certified DI).

Getting Started with Diving FAQ

Help us put together a guide for all the common questions and answers. From how to buy gear as someone new to the sport, to tips on tech diving, to how to become a dive professional, we want to compile a resource for divers of all experience levels.

A community built guide - please don't be a jerk

If you want equipment help that isn't covered by the FAQ, make sure to mention the kind of environment you would be diving in and your experience level. People frequently post lists of equipment and ask "if its good", but equipment is dependent on the purpose/environment of the dive (are you in cold or warm water? Do you want to get into cave, wreck, or sightseeing for critters).
Advertising and self-promotion is generally not allowed, with very few exceptions, and action may be taken. If you are unsure, please ask a mod.

BUYING AND SELLING USED GEAR

Other reddits you might like:

Dive Certification Agencies:

Medical Research and Assistance:

/r/scuba

164,543 Subscribers

1

Diving in Egypt during Winter?

How is Egypt for diving around New Year's (Wetsuit)? What are the best dive spots in Egypt during that time?

Better destinations than Egypt that are also similar near to Europe?

1 Comment
2024/11/19
17:06 UTC

6

Recommendations for Walkable Solo Trip in the Carribean?

I've been to Roatan, Utila, and Belize several times. It was very easy to walk everywhere, and the dive boats made it easy. Street food was great, and restaurants were reasonable. All I need is quiet, clean, and safe place to stay. Oh, and warm water. Bathtub. It's cold here!

I looked at Bonaire, but I'd prefer to not even look at a car since I commute evey day. I'm coming from the west coast, and would love to avoid 12+ hour trips. Recommendations for a chill island?

9 Comments
2024/11/19
16:47 UTC

31

Spiny lobster eats market squid

5 Comments
2024/11/19
16:10 UTC

10

How much money do you actually save per dive usually from owning all your own gear save the scuba tank?

As I begin my journey into scuba diving I've been engraciated with some really good deals on some second hand gear that's in really good shape. As I dive more and more I intend to replace pieces of it as necessary. But I just had a thought.

In all of y'all's experiences roughly how much would you have saved if you had all the scuba gear save the tank vs renting all the gear instead?

66 Comments
2024/11/19
15:42 UTC

28

Floating through blue

1 Comment
2024/11/19
15:38 UTC

4

Diving Ilha do Arvoredo - Saco do Engenho - 16/11/24 - Dive 2 of the day

0 Comments
2024/11/19
15:36 UTC

10

Side mount advice - New Steel tanks - Adjust to sit parallel

18 Comments
2024/11/19
13:35 UTC

10

This is the first time I hear about an attack like this, is it very common ?

21 Comments
2024/11/19
10:42 UTC

7

Christmas present ideas for a Cave Diver

Something not crazy expensive but also maybe a piece of tech or something that not everybody has but should? For the father in law. Guy has crazy amounts of gear but probably nothing 2024 ready. I want the gift to say “wow you did your research” and “I never would have thought to buy this”

Thanks for the help in advance!

21 Comments
2024/11/19
06:01 UTC

3

Does Suunto Vyper Novo a good computer?

Hello everyone, Like tittle said. Is it a good diving computer for OWD/AOWD diver?

I want to buy one for my wife. She passed her OWD few months ago, we have plan to do Advance next year. I’m thinking about Vyper because of affordable price, nitrox up to 99%, switching gas during dive, compass, transmiter.

Do you think I should consider something else?

34 Comments
2024/11/19
05:31 UTC

26

Chasing a school of Jacks under red tide

2 Comments
2024/11/19
04:20 UTC

157

Feature, Not a Bug

111 Comments
2024/11/19
02:49 UTC

0

Not-Tattoed Scooby Bois (Red Sea Explorers, Egypt)

Because everybody was overwhelming supportive of the last video, here's another.

4 Comments
2024/11/19
02:42 UTC

1

(NOT MY DIVE PROFILE) ANDP certified divers of r/scuba, what's your take on this profile?

I found this on a Facebook page, for solo scuba divers, and my goodness was the OP getting criticized.

Some experts pointed out that 20/80GF is proven to be unsafe. I believe them, but can you help me understand why?

It's not a perfect model comparison but here's a shorthand visualization I put together under the Bühlmann algorithm, 30/70 in blue and 20/80 in red. My naive take is that the 20/80 (red) took longer, therefore safer?

Help me understand why that's not the case.

Open to all thoughts and considerations.

https://preview.redd.it/lcz477xr0q1e1.png?width=1915&format=png&auto=webp&s=75fc82f1daad26a1a6aa6ef70d236b4bac99813a

https://preview.redd.it/oscqd2kk0q1e1.png?width=893&format=png&auto=webp&s=837d2b88d4f4742df12918c2a2a1c6b880d6cb38

https://preview.redd.it/i5uelekk0q1e1.png?width=1061&format=png&auto=webp&s=f381b483eb50269a9cf5fd7d8022809e59047d11

2 Comments
2024/11/18
20:36 UTC

1

Has anyone use Linné Lens for sea life identification?

Doesn't seem like the app has been updated in awhile, but it allows offline use so I'm going to try it on a dive trip in Key Largo in January. I've seen a couple videos and I was impressed at the speed at which animals were identified.

2 Comments
2024/11/19
01:39 UTC

4

Lost Weight - Wetsuit TOO BIG

Through the miracle of modern medicine, I've lost over 35# since early Aug through one of the injectable weight loss drugs.

Lookin' good & feelin' fantastic! About 5# from my target weight.

Problem is, my (essentially brand new) brand-name XXL wetsuit is FAR too big.

Any advice for the best way to sell it? It literally has 3 pool dives on it [history below if interested] (and I guarantee its NEVER been peed in!!)

Ebay? FB marketplace? Other?

<< NOTE: - I am NOT trying to sell it here which is why i only gave a general description. >>

LDS used to have a used equipment section where you could peddle equipment, but that went away under new management.

I talked to a dive instructor friend who said that its very hard to sell used equipment around here (Midwest US).

=========

Short history: got the first one in 2023 and used it on a week-long guys trip. Loved it! - very warm; very comfortable.

That first one had a mfg defect, so it was replaced under warranty. This one is the replacement and was only used in literally 3 pool dives. Its essentially brand new, but is far, far too big on me now. I am 6' 00" and was 230#. There's a bit less of me now.

6 Comments
2024/11/19
01:34 UTC

1

Dive Knife Gift

Hello scuba divers! My husband has gotten more into diving lately, and I'd like to get him a nice dive knife for Christmas/his birthday. I'm looking at the Benchmade Fixed Dive Knife - just wondering if anyone can tell me if this is a good one to go with. Thanks kindly for your input!

Edit: Thanks for all the advice! I clearly know nothing about diving lol. I will look into the alternatives mentioned! Cheers

23 Comments
2024/11/18
20:36 UTC

11

Time for a dive computer upgrade -- recommendation needed

Finally updating my 10 year old Oceanic Geo dive computer. It was a great, reliable starter computer but no longer meets my needs. Desired features below -- any recommendations? Either on a specific computer or a website that will let me search by all these features. The list isn't crazy, but having a hard time narrowing it down. Thanks!

  • Compass
  • Air integration
  • Handles Nitrox (do they all do this these days?)
  • Reasonable battery life (we do a lot of liveaboards)
  • Does okay in recreationally cold water (~50 F/~10C)
  • Bonus/optional: Logs dives w/locations
  • Budget is flexible
71 Comments
2024/11/18
20:02 UTC

10

SAC Rate math help

During my advance open water cert class we learned how to calculate Sac Rate but my notes were terrible

Anything labeled 1st is the first dive of the day 2nd would be the 2 dive of the day and I’ve fixed almost all my notes except the last section

I’m not sure what the third section is actually calculating I have some things labeled but other things I’ve not been able to figure out

Specifically the number 80 and .36 and .52

29 Comments
2024/11/18
17:56 UTC

13

Getting into dry suit diving, tips needed

Hey there!

I have narrowed my choice of suit down to Avatar 102 Airon and Bare Aqua Trek. Optionally I might be interested in Santi suits, but I think they are quite more expensive than the other two.. What are your thoughts about these suits? Any known weak points?

I have found a bundle for the Bare Aqua Trek suit that seems decent: https://www.up-divecenter.at/wp-content/uploads/2024/09/Aktionen_UP_Sept24_Trocki1-1.jpg

This Thermoflexx+ alone costs about 450€ and the Kubi system is maybe 300 €. Are there some good alternatives to them?

Thanks!

37 Comments
2024/11/18
15:53 UTC

2

Scuba diving in Thailand in Feb?

Hi all, I would love to get my open water certificate this February in Thailand. I've read and heard a lot of good things about Koh Tao, but I can't quite figure out if this is a good diving location on February. Some sources say it's the perfect time while other sources say the visibility isn't great in Feb and I should go to the west coast of Thailand instead. What do you guys think? Is Koh Tao good for diving in Feb or should I look elsewhere? Thanks in advance for your help :)

4 Comments
2024/11/18
15:39 UTC

4

Dive in Ilha do Arvoredo in Santa Catarina, Brazil - 16/11/24

0 Comments
2024/11/18
15:22 UTC

1

Tubbataha Reef - early June?

We're considering a liveaboard trip to dive the Tubbataha Reef near Palawan in early June. I've read that the rainy season starts around mid-June. Has anyone here dived there in early June? How heavy are the rains, and does it significantly impact underwater visibility?

1 Comment
2024/11/18
15:01 UTC

3

Where to scuba 2 days - near Hulhule, Maldives?

Hi all

I’ve have two days alone to do scuba diving. I’m alone and want to scuba - starting this week.

I’d be really grateful for any advice

I need somewhere accessible by boat from hulhule. Ideally a local island that has some cafes so I won’t feel too alone and somewhere I can do 2-4 decent dives.

I’ve never been to Maldives so no idea. I’ve heard Maafushi might be okay but horrible touristy.

Any thoughts?

0 Comments
2024/11/18
14:29 UTC

5

Looking for recommendations for macro diving in the Philippines in January

Hi all,

Since I've gotten some good recommendations for other places from this sub, I have a new request: Starting end of December, I'll be spending about a month and a half in Thailand (could still use recommendations for a few days to a week in Khao Lak too, maybe one of those hop-on-hop-off liveaboards in Similan, not looking to do more than 2 nights on a boat, though), and I was thinking this time I could hop over to the Philippines for a week or so.

I mainly love muck and macro diving, and I was looking at Anilao for convenience reasons, since I don't want to be traveling very far to super remote islands or anything.

Is there any dive resorts or more low-key dive shops (where I'd just stay at a non-diving resort or guesthouse) anyone could recommend? And that are not booked up months in advance? :) I'd probably want to do about 5-6 days of diving, ideally between 6-12 January, roughly, but I could also 17/18-25/26 January.

Ideally, I wouldn't be spending more than about 60 EUR/night on the hotel itself (and it's just me, so single supplements would be an issue), and I don't really care all that much about luxury, a basic AC room with some plugs to charge my equipment and a hot shower will do, I don't need a fancy resort with a pool and all that, as long as I'm somewhere close to the ocean.

Budget is not a dealbreaker, though, I can spend more if it's worth it.

If there's any other areas I should check out, always happy to hear about those, too.

23 Comments
2024/11/18
10:32 UTC

3

Battery issues with i200C

My Aqualung i200C dive computer worked fine for about 1.5 years then started showing the low battery sign for the first time this year which I had replaced. Since then it has been showing the low battery sign consistently and dive mode doesn’t work! I have replaced the battery 3 times so I really doubt it’s actually low battery but the computer itself is having a problem. Anyone else experience this and know if it’s fixable??

1 Comment
2024/11/18
06:32 UTC

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