Forum: Decompression & Mixed Gas Diving

Of the two, which is a more preferrable deco bottle: AL40: Luxfer or Catalina? If neither of these, what others would be preferred? Does it matter?...

I just completed the Deco/ Advanced Nitrox classes and I went to pick up a fill of 80% Nitrox for my deco bottle. I analyzed the mix (it came up...

With a (ppO2 0.16) MinOD of 3ft 15/55 is fine on the surface for a long long time (although your respiratory rate will jump up). Do you actually use...

Normally, I take a 5 minute air break every 20 minutes. Lately, I've been doing some dives that are resulting in 21-25 minutes of decompression on...

So, I've had a few opportunities to go down and do staged decompression dives, and I have to laugh at myself. We keep making dive plans to average...

I am a TDI Advanced gas blender (# 201940) I am having some trouble getting UHP (Grade 5) Helium from my local suppliers. A question my rep asked was...

Just wondering if anyone has used He in a nitrox stick with just an O2 analyser for blending Trimix. My problem is no Haskel and I hate to send He...

What is your guess regarding what ultrasound doppler studies would show regarding size, number of bubbles? Dive to 100 fsw on air for 20 minutes...

I got a copy of Deco for Divers for Christmas. I had asked for it, after seeing it recommended by Gene Hobbs and Michael Powell. I figured if they...

If you are diving Nitrox, Tri Mix or deep, what regulator do you use? What is your reason for that brand and model? I am looking to upgrade my rig...

Well, tomorrow I do yet another thing I swore I was NEVER going to do in the world of diving: I start a tech class. And as I thought about it this...

Ok. I survived the first weekend of Tech 1, and it's very clear to me what I need to work on, and it isn't what I expected. In the old days, it...

. . . to the two fledgling technical divers among you! Peter and Doug passed their class today. I'm not sure what the class was called, or how...

If this sounds ridiculous someone please slap me. Has anyone woken up one day and was like "why the hell would I do a decompression dive?" Lately Im...

I'm in the market for a Trimix analyser. And while I like Oxy Cheq and Patrick; and everyone else that sells the same re-branded products. I'm...

I'm thinking about taking an Adv EAN and Deco Procedures class. I've been looking around on the internet and comparing prices and class outlines. ...

I have a friend training for deep tech dives, this person also drinks a lot of booze. Any realistic advice I could offer? TIA

Next week I'm doing 2 dives a day for 6 days in a row in the 200' to 300' range. I usually get in 3-4 deco dives a month, and have never done more...

Hi everyone... I'd like to invite everyone in this forum to share books about commercial diving on this link:...

I'm sore. I've discovered muscled that had long lay dormant. However, I have successfully completed my Advanced Nitrox/Decompression Procedures...

Let's get this party started! What kind of profile do you dive, and why?

Anyone ever had this or similar before? Did a dive a little while ago (165' 25 min BT) and after surfacing with all my deco stops (50% & 100%) I...

After nearly 3 months the class with a "curse" upon it finally gathered for it's final dive. Over the past 11 weeks our trimix class has been...

A few months back I posted my criteria for beginning my tec training ... still got some work to do, but I decided to start anyway. 1) I have a...

So I'm starting to plan my transition to tec diving and and trying to figure out which agency to go with. The reason I am going tech is to spend more...