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Does anyone know the part number or a source to replace the cosmetic piece on the purge button on an xtx50? This 2nd is part of a doubles set and is apparently slightly different than other xtx50’s. The oval piece just pops in. There is no spring. Sadly the part I lost is likely at the...

Curious question - Why don’t we consider the local density altitude in diving? That is including temperature and pressure in the math? all the agencies say we need to consider altitude effects when diving above 1000 feet. But that 1000 feet appears to assume standard day conditions. So...

There's been lots of talk on the board recently about buoyancy. Here's my challenge - I have pretty much zero natural buoyancy and I'm still trying to find a way to get horizontal in scuba. I can hold depth for stops pretty much motionless, but just not horizontal. For me to float on the...

One of my other hobbies/sports is skiing, and own my own equipment. I've been seeing a trend over the last few years that, due to the airline bag fees, people are slowing renting more and buying gear less - especially skis. There are many parallels between skiing and scuba with performance...

Hi all, I doubt there is anyone is keeping track, but I found that I created this account 8 years ago. That was back when I was seriously looking at earning my cert; before life got in the way. I have been following the board on and off and I finally earned my open water last year. That was...