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I was just wondering if any body could tell me if there is any specific training for diving doubles? I have ANDI complete user Nitrox (up to 50% O2) and have some experience doing gas switches. I usually carry a small stage or pony bottle with me and fill it with a higher O2 concentration for a...

Does anybody know anything about the Voyager rebreather made by aqua-tek? My dive shop is moving into the rebreather arena and they are going to offer alot of different rebreathers and certifications and the voyager is one of them. can anybody give me an honest review on it and maybe compare it...

Hey, I am not really what you would call a tec diver, although I hope to move into that arena to some degree at some time in the future. I have been reading on the board and I always hear someone talking about deploying a bag and I was wondering what kind of situations would call for this as...

Does any body know where I can find some plans for a back plate that will fit a OMS bladder? I am an engineering student in college and also a farm boy so I can build pretty much anything and due to the fact that I am going to school for agricultural engineering I have access to a full machine...

Hey I am getting ready to take my nitrox course and an instructor was telling me that by taking my complete user course that I could use up to 50% oxygen mixes and that by doing so I could stay longer at depth than the tables and through careful planning breath a higher % oxygen mix on assent...

I have been diving for a while, and have alot of education and diving avenues that I can't wait to explore, but there are some things that are troubling me. I know this is how dive shops stay in buissness and I can identify with their cause, but I AM getting tired of every visit to the...

I am some what newly certified and recieved money for high school graduation and I would like to buy some dive gear. I pretty much have money for either a new bcd or a dive computer. My current bc is one that I scored at a garage sale and works fine except when I dive cold water with a 6 mm...