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I haven't read the entire thread but what I have seems to have a pattern i.e. criticisms of DIR/GUE are largely written by people who have not undertaken a GUE course. Yes there is a heavy emphasis on neutral buoyancy and horizontal trim, particularly at Fundamentals level, because being able...

GUE Fundamentals will give you a solid platform to take any future technical course with any other provider; OC or CCR. You also don't have to go by word-of-mouth to find a "good" instructor if you go the GUE route.

They have now and issued further guidance this week. I'll need to double check the email for the other approved agents.

Aqualung has issued guidance to service technicians on the sanitizing of their equipment, and Apeks. Chemgene is the only disinfectant they have tested that will kill the virus and not harm their plastics or damage metal surfaces.

To paraphrase from EN ISO 18119 17.1.2, "For heat treated aluminium alloy (e.g. AA6061) cylinders temperatures of 175 deg C shall not be exceeded" Since powder coating usually involves temperatures between 175 and 200 deg C then it is not advisable to powder coat aluminium alloy cylinders

Literally anywhere in the UK. Dive guides are all but unheard of here. Scapa Flow probably has your best choice of operators.

Ensure the IP is correct and you're good to go. Everything else is the usual industry ********.

Hiking my stuff half a kilometre into a mine for a dive, guess which torch packed in as I walked through the tunnels in the air? The Halcyon Scout.

I had a Fusion for a while and liked diving it, the trouble was I hated everything else about it. Ordinarily I wouldn't worry about something being awkward out of the water if it was better in the water but the Fusion was just beyond horrible for getting into and out of. If you have a bubble in...

DST with 5th port. Remember that all Apeks first stages (with the exception of the Flight) are mechanically identical and use the same AP0241 service kit. Your really only paying for different port numbers and orientations on the various models. DST with 5th port permits the classic crossing of...

Neutral buoyancy is far more an art than a science.

I have a computer, a backup depth/timer, and my brain. I've got a good idea what shape my deco will look like in my head because I'm usually using standard gasses. This means I can check what my computer is telling me isn't nonsense. If the computer fails I can still use the backup depth/timer...

Diver magazine ran many popular regulators through an ANSTI machine. US Divers and certain Aqualung models failed to meet EN250,

Provided you can parts for them there is no reason why an older regulator can't be used. However, don't imagine that the older regulator will perform as well as a more modern one. The reason is that older designs from the eighties and earlier were never subject to work of breathing (WOB) tests...

GUE Fundamentals will make all your future technical diving courses, GUE or not, much much simpler and easier. GUE aren't the diving police. If you're not on a GUE course or diving with other GUE divers, then you're not obliged to follow GUE SOPs; so if you really want to dive alone, or use a...

How did the shop that inspected them test for leaks if not by filling them?

Oxygen is regarded today as being virtually as narcotic as nitrogen and nitrox is no longer promoted as a gas that reduces narcosis.

TBH you could have stopped with "Terrible Mares brand"

Dear God! You've not seen any of my buddies. The body hair alone would put you off, and the blokes aren't any better.

On balance, I think I would prefer Herpes to drowning. If you're referring to the possibility of contracting Herpes whilst conducting training then avoiding training with those who are obviously suffering from Herpes would be my approach. That said, in over thirty years of diving, including...