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Fortunately, I don't think you notice my strobe anywhere...just my flashlight. And, as you say, fortunately the video turned out great anyway. I'm so glad to have good video of it so I can remember it happening a couple feet from my face. Discovery Channel has nothing on that. :) Bummer to...

This video was actually shot by a buddy (who asked me to post it for him) and that's my light you see sometimes on the octopuses as I'm shooting stills. :wink:

My eyes agree with yours...there does appear to be at least one missing arm.

Sea of Cortez dive trip with the Rocio Del Mar last month. A typical dive on this trip was a fair amount of looking at rocks, lots of current, visibility <30 feet, then something SUPER COOL, then more rocks. This is one of the SUPER COOL things we saw...two octopuses (mating?) and a 3rd came...

Is this the same documentary?

I have been on a dive with a DM with a similar problem and similar cool reaction...his inflator hose popped at about 40 feet with nobody near him. I was the first diver to him and offered him my octo, which he refused. He already had his BC off and was breathing from the escaping gas coming...

It is probably also worth pointing out that some people just use more/less air because of genetics. My dive buddy is a woman who swims fast all the time, gets bored sitting still, literally swims circles around me on drift dives while I hang motionless concentrating on efficient breathing...

I have generally had trouble with acid reflux while diving. On my last trip I was grumbling on the boat about how much it hurt even having taken antacid before the dive. A biologist was in our group and said she’d read research that lack of fully breathing out while diving could contribute to...

On a trip to Roatan last week, I caught what I think is a Scaly-tailed Mantis Shrimp in mid-strike. I'm a bit surprised given the speed of these critters, and I've not yet found a similar picture online anywhere... Anyway, I didn't know anything about these things until I did some research...

Seconded. I use the belt with a couple Dolphin Tech quick ditch weight pouches and travel with all my gear (sans fins and blades) in my carry on.

FWIW, about 70 dives on my Hydros now. Never done anything special to baby it. No issues so far.

I apparently am a total cold wuss despite spending quite a bit of time on mountains in nasty weather. On a recent trip water temp was 80, air temp was 60 with rain and wind and no sun. I was dying during SIs until I adopted this approach: 1) As soon as possible after exiting the water, remove...

Mathematically equivalent, but I find easier to do in my head: (Start_pressure + Ascent_pressure)/2 (3000+800)/2 = 3800/2 = 1900 FWIW, I keep 4 numbers in my head for ascent based on rock-bottom calculations with 1 cfm RMV (roughly double normal to account for emergency w/ buddy breathing on...

FWIW, the airline said we had to go to the airport, so we did. Only a few people actually needed to be there because they hadn't gotten rebooked onto connecting flights from the RTB flight. Even after being at the airport, I know of one person who had trouble rebooking even at the...

I'm just back from a lovely trip to Anthony's Key Resort in Roatan. The first few days were cold with big waves rolling in from the north, so AKR had moved boats to the south side of the island and bused divers to the south side where we got 2 or 3 dives in per day. The weather warmed up, the...

Everyone likes to tell us newer divers that we just need to work on this, that, or the other thing. My RMV runs 0.55 to about 0.65. My dive buddy on the last trip had a RMV of about 0.25. I'm 6' 200 lbs. I'm not diving over weighted. I'm much fitter than average. Based on some video I've...

Please let me know what part of my previous reading material was deficient.

Should I interpret this response as implying that I shouldn't be trying to learn using Subsurface until I am a certified Deco Science Expert? I actually was just trying to see if I could learn something about how I dive with my computer...not claiming any level of expertise.

Thanks everyone, especially the OP, for this discussion. I have taken the OP's dive logs and pulled them into Subsurface in order to learn as much as I can. I believe I set Subsurface to calculate using 30/70 (Shearwater default I believe and what I'm diving currently). I'm a new user on...

That'll do...