Karnic's latest activity

And corrosion seems not an issue. Right? will the make the cover tight and secure like the snaps? Asked for a sample from them.

My air gun pump does that pressure but not a lot of volume😂

I’ve never seen a 200 bar hand pump so can’t comment. It takes a lot of effort to put 2 bar into my car tyres. A normal diver breathing...

Was looking at a 2L cylinder yesterday, very tempted but the one with the 12V compressor is quite pricey and a hand pump won't get you...

What do we think of those hand-pumped mini-cylinders? Dire warnings here, but maybe they would say that to stop people cheaping out and...

Yes I wear a hat also. Tricky when diving but stays on. I forgot to mention for larger boats a rope from bow to stern just touching the...

Sounds like you're so panicky your rapid breathing will sort out your ascent problems! But, seriously, avoid bad air intake into the...

Probably not until you do serious damage. Last year I had a medical probe stuck up my nose and down into my lungs. Very painful as it...

You will find that lung expansion injuries, pulmonary barotrauma, are painful and can be fatal They are also a cause of arterial gas...

You do notice it, but it could be too late if you come up quickly hence the advice

Is it not painful for your lungs to be pressurised to damaging levels (guess we're talking relative pressure here). Would have thought...

I scrubbed off a boat underwater using SCUBA gear. Anchored in a depth with the keel almost on the bottom. Wore slightly more weight...

Tee-shirt to protect your back from sun burn

I was taught that too, but it's fallen out of favour as it's ambiguous and requires people to be able to see the smallest bubbles. I...

The air in your lungs will expand by 20% if you hold your breath from 2 metres, which doesn't sound much but could be potentially...