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I have a Puck Air. Had it in the pool tonight for the first time. It worked quite well. However, I was going through the logbook function after the dive and I was sitting in low light. Should the backlight function in this mode? If so what am I doing wrong? Is there a setting I need to...

When did 60ft become the "limit" for open water certification? I was certified in 1987 and the limit was 130ft. You were supposed to dive and learn and expand your boundaries. Now there are people who won't let you dive with them with basic open water, because we are going to 75 feet. Chris

How accurate is the air pressure gauge on the Mares Puck Air. I guess what I am asking is what is the gauge displaying. If for example my air is full (80cu ft HP Steel) 3442 psi will the Puck Air report 3442 or will it round? (3440 or 3445 for example)? Also at very low pressure does it have...

What size allen wrench/hex key fits the yoke insert on a Faber/Blue Steel combo valve? TIA Chris

Can anyone tell me why it matters to my new dive computer whether I am diving fresh water or salt water? Will the salinity change the readings or is it something else. And if it really matters what do I set it to when diving in Brackish water? Like the Chesapeake Bay. Thanks in advance I'm...

I have just purchased a Puck Air. A what point do I switch the setting from fresh to salt water. I understand in the Ocean set it to salt. In the pool or a lake set it to fresh. I plan on diving in the Chesapeake Bay. The Southern Bay is very salty the Northern Bay not so much. Is there a...

Can I register my Puck Air on-line? If so how? Thanks, Chris

Can you tell me the diameter of hole that the BC2807-16 will work with? Thanks

I need to reattach the air filler tube to the bladder of a back style bc that I acquired any suggestions? It is a Zeagle. I dont know the model. I will try to get some pictures. The bladder is clear-ish vinyl. Ok I can't get the photos to load. But I linked to my photos on here...

I need to reattach the air filler tube to the bladder of a back style bc that I acquired any suggestions? Thanks Chris

I know that sounds contradictory, but... I have been looking at the hoseless AI Computers. I noticed they do not show a picture of the sending unit attached to the first stage. It seems to me that it would be fairly easy to snap off. I was thinking a 6" HP hose. It would still be out of...

Would you pay $150 for this combo. New Old stock. Thanks for opinions. Chris

Just found this site. Thought I would say hello. I got my C card in 1987 and have done sporadic diving. Hoping to get back into to it big time. Lots of great info here so far. Chris