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when I took my OW class through SSI I had the shop owner (an instructor certifier) teaching 2 guys to be instructors and they gave the class their instructor numbers and credentials the first night of class with out having to be asked, maybe just SSI policy or something. I know with SSI all...

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...

Me and my dad commonly dive in quarries where there are multiple dive attractions with ropes leading from one to the other so you don't get lost. we have had situations where we couldn't see each other because of the murkey water swimming single file along the line so now we flash the dive...

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...

Just was reading and I was wondering where the term "cave fill" came from?

well I guess that makes sense.

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...

Yeah I think I am just gonna wait to make it till I get the wing to measure the slots for that, but here is a link showing how a single bp is set up, I guess it moves the tank closer to the body than it would be if one used the doubles to singles converter, although I have plans to make that as...

I found some plans for some different back plates, I found one for twins and one for singles and I think I am gonna make the one for singles but I haven't been able to find any plans that have the dimensions for the slots that match up with the slots on the wings. does anybody know the...

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...

yeah....I figured oxygen toxicity would be a limiting factor but I was told that breathing a 32 or 34 percent bottom gas would be used in this scenario and then using the 50% mix as a travel gas upon assent to do an "accelerated deccompression" almost like a wash gas on assent. Does that make...

sorry for not saying my agency......I will bet getting certified through ANDI. I have around 50 logged dives and I won't be taking the advantages of this "decompression skip" if there is one until I have more dives and more training. I just wondered if it is possible.

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 am fairly mechanically inclined due to the reason that I live on a farm and I build alot of stock cars and work on tractors and things like that. I have developed a good relationship with the staff at my LDS and they sometimes cut me a deal on little things when the owner wont notice because I...

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...

although I can buy a nice scuba pro reg through my LDS with octapus and analog gagues for a pretty reasonable price that would probably fall into my price limits now that I think about it.

well I don't really have the money right now for a reg (although that will be coming as soon as possible) My LDS has dives at local lakes twice a week that I am getting involved in so I plan on diving alot, yet income limits equpment purchases. I like the information ease that computers offer...

oh yeah and the majority of my diving consists of mid summer diving in a 3 mm suit that works just fine with my current bcd, its just in those early season dives that I have had some problems.

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...