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Hey Divers, I moved back to southern California, and while the funds are tight I can't afford to do all my diving off a boat. I was looking around at tanks and noticed that fire fighters use a fibre wrapped tanks filled to 4500 psi (300bar). Some online specs indicate these tanks are much...

Hey Divers, I am doing preliminary research into high altitude life support systems and have a few questions that where not covered in open water. If a rebreather was loaded with 100% O2 and the wearer where under 30% atmospheric pressure (~5psi) how long would that bottle last? Is there some...

Hey guys I am looking to get neoprene in a roll, and have been having a hard time finding any on the net. The rubber suppliers seem vague on the properties of their materials. Specifically Im looking for stuff 3-5mm thick and closed cell. It doesn't need to have any lining as I plan on adding...

Hey Diver's, Im moving back to southern California just in time to make a decent part of the lobster season. I have never collected lobster before and decided to seek some wisdom from the board. What kinda light do you haul beneath? Also in another line of work I used lights a lot and there...

Hey guys I compiled this spread sheet after wondering if a 25lb wing would be enough for my perceived diving scenarios I could encounter through traveling or diving in socal. Let me know if any of my math is glaring wrong, or if I should choose a larger wing than a 25lb DGX package.

Hey Guys and Gals, I will need help from both the genders on this one. Dive profile: Looking to do a few dives in socal along with my local lake in the winter time (lake pleasant, AZ). The lake gets down too 55*, and expecting the waters in socal to be 60-65*. Max depth wouldn't be very deep...

Hey guys, I have a bad case of Bruxism: which means on a regular day I get pretty sore and have lots of pain in my jaw. I noticed on my last few dives, I start fighting jaw fatigue pretty quickly. Are there any solutions to help with jaw fatigue? I was using rental gear and don't remember the...

Hey guys, new to the forum and diving in general. I have an Advanced Open water cert with ~20 dives, and my wife just got her Open Water cert. Currently we have been renting gear and think its time to buy personal gear. I have been doing research on gear and like to live by the motto "buy...