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Discover Oxygen Toxicity and Basics of Buoyancy Control courses combined with Advanced Hand Signals specialty?

painful to watch yes :shocked: glad the camera person noticed he did not change the mix when going down. he is clearly concentrating to something else when even the wrong mix and yelling buddy go unnoticed. maybe he took a million pounds of extra weigh just to be sure to stay underwater. seemed...

I would need to find the original news articles which are not all on internet. they are also in Finnish so it would not help most of the Scubaboarders to link them here and most are so old that they are removed... the common causes seem to be medical emergency or gear malfunction, the gear...

as for the gear testing fatalities, it seems to be pretty common accident type for people to die in very shallow water when they are just "quickly testing out the new gear" . I remember reading couple of old local cases where people just quickly wanted to test their new kit in couple of feets of...

I generally never let anyone borrow my scuba gear even if I know the gear works correctly and they know how to use it and they are certified for scuba. It is just that people tend to be more prone to accidents etc when using ANY gear they are not familiar with even if they theoretically know how...

post removed, did not notice first that this was sidemount topic and commented from bp/w POV:confused:

you can attach a bolt-on "P-weight" into the backplate groove (you can fit up to 5kg / 11pounds of lead there) and it is also possible to use thicker steel backplate if you haven't already done that. it is possible to bolt ditchable weight pockets to the both sides of the backplate if you need...

If it would be 11L internal volume then people would probably call them that. but the decimal probably bothers them and thus they round if upwards to 12. As long as they don't calculate that .9 made up litre in their gas volumes they should be fine :gas: anyway, I have always wondered why...

You should call them just "aluminium 80"s and if someone asks how much they would be in litres you can say that "they come from a weird country which is not using the metric system and where one can not simply calculate anything by the decimal system and all measurements taken are fractional and...

It would not be an overfill if the tank is rated for 230bar or more, it is just using fully the tank rated capacity :D

I would not be surprised if all aluminium and steel tanks would vary a little in size. they are made by extruding a single metal plate to a "capped tube" and then forming the neck and valve seat by pressing the open end smaller so they SHOULD be some variations from the process

if you fill them by yourself and are therefore allowed to fine tune the filling regulator 7 bar up then it would make sense, otherwise not :) The 207 vs 232bar difference is significant. Though it is pretty common here to have fills of either exactly 200 bar or exactly 300bar and then the tank...

personally I think that cubic feets are pretty useless as tank volume measurement, they just complicate things especially if you need to calculate something quickly underwater. The filling pressure can also be anything after the tank is cooled so with litres and bars you can just re calculate...

AL80's are always called AL80's here or someone may call them "11L aluminium" like I sometimes do. I have never heard anyone calling them "12L tanks" because they are nowhere near 12L and we normally use steel tanks here for anything other than stage/deco gas use... so a "12L tank" really means...

might work if the water would be clean but I would not risk getting any tropical infection because of having small skin wounds. there may be all kinds of nasty stuff in the water, especially in shallow warm waters

a local dermatologist actually recommended salt water and sunlight for my friend's pretty serious psoriasis (in addition with the other stuff) so the ocean diving could probably be beneficial I think. Saying him like "travel to Spain or Portugal couple of times a year and swim in the ocean+have...

Excellent! let us hear then how it went :) I don't believe the loud sounds would be more dangerous than with normal hearing if you don't have any inner ear damage (just speculating because I'm not a medical professional) but if your hearing is impaired you might accidentally listen to the music...

Yep general advice here and you really should go see the ENT to find out what is wrong with your ears specifically and how to resolve the problem. Probably it would have already healed long time ago if it would be likely to go away by itself so I would not wait any further. Ideally you would go...

I am unsure if it's a GOOD thing if that thing is a scam:D less Darwin awards to be expected in that case:popcorn: I don't see any reason why they would not be delivering by now so looks like a perfect scam to me and someone did good money out of it:eek:

I got cortisone pills for 2 weeks, I think the first dose was around 80 or 100mg or so (which is pretty heavy steroids compared to many other ilnesses). Got a recipe for antibiotics as well "just in case if you develop this or that symptoms which may indicate it becoming infected" but did not...