atomic t3

Hey guys, so I own an Atomic T3 first and second stage that I got fairly cheap in Malaysia a couple of years back, and so far I have been very happily diving recreationally with it. However, when I serviced it last, my technician told me the first stage wasn't Nitrox compatible. Now, I was...

I really like this regulator. I noticed it hums, almost like a really low note on a harmonica, when I exhale while out of the water. I don't notice it under water. The only time it happens really is every time I check the reg before diving. The sales person assured me it was normal to have...