Questions tagged [scuba-diving]

Questions relating to any thing related to scuba diving. Examples include, but are not limited to; diving gear, diving physics, diving injuries, dive sites, diver training, recreational diving, technical diving, etc.

Filter by
Sorted by
Tagged with
14
votes
4answers
2k views

What exercises can you do before Scuba Diving to improve your air consumption?

It has been a number of months since I last went scuba diving - short enough that I can still remember everything, but long enough for any diving specific exercise related things to have worn off. If ...
16
votes
2answers
2k views

What wetsuit thickness is recommended in which temperatures for diving?

I'm soon to embark on a chilly scuba dive around 5-7C at 18m, of which we'll be wearing 7mm semi-drys with shorties. The next thickest I think is actually a drysuit for really cold waters, but not ...
7
votes
3answers
633 views

Using mini scuba sets: 1L-3L tanks

Are the mini scuba sets (e.g like the ones by Smaco, with tanks of a few liters that are filled using a hand pump) safe for open water diving up to a depth of around 10m? I have no experience in ...
10
votes
2answers
3k views

When describing my PADI qualifications with a CMAS diver, is there a well know equivalence table?

I'm currently in a French overseas territory, and almost all of the dive centres and clubs here use the CMAS system. Whenever I've booked in for a dive, the dive centre has looked at my PADI ...
8
votes
1answer
4k views

Can I guess the size of a shark by the size of its dorsal fin?

Is there a relative scale to which one can estimate the size of a shark by looking at its dorsal fin? I know it will differ from species to species, but is there a general guideline maybe for each? ...