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Folks...
Maximum pit depth on 3AA cylinders varies depending on whether the cylinders are high or low density steel...and by manufacturer...
You need to have taken a PSI Visual Inspection Course to be able to determine the differences...
Typical maximum wall thickness pits are between .025/.060...
If there are pits nearing the maximum depth on both the inner and outer wall surfaces...you'll end up being way over the maximum ''fail point"...
When diving ''hot beach'' destinations...I'm at the dive operators place of business two/three days ahead of planned dive(s)...if this was all the dive operator had to dive with...I'd be looking for another operator...
This is the primary reason why I never book/pay in advance...and in 20+ years have never been skunked...contrary to popular belief...these operators are never ''that'' busy...
I dove the monster wall off West Caicos two years ago...during Christmas...fabulous operator...brand new boats...full food spread included...''real food''...made arrangements two days prior to dive...I dove with a female member of the crew...and she advised that they had been on their ass all year...and were all told...no Christmas Holidays for anyone...as this is the only time in the past 12 months we've been able to ''fill the boats''...and this was one of the ''Bucket List'' sites...
There's lots of good operators out there with good gear...support the good operators...let the operators like this fall into the abyss...in my opinion how they look after their equipment...is a direct reflection on how they look after everything else...including YOU...
Do your homework...you're shopping for the best...accept less...you always get what you settle for...when they advertise ''four star''...''one and a half stars'' is usually closer to the truth...
Best...
Warren