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If a new diver asked for my opinion, I would direct them to an instructor like yourself. But if we were all having a drink and chicken wings after a good day's diving, I would say that a new diver ought to dive conservatively within their training: Dive with a trusted buddy. Insta-buddies can...

I haven't seen anyone take a position against redundant air. I have seen some people take a position that by making certain choices about their buddies and their diving they can rely on their buddy as redundant air. I have seen other people take a position that a pony bottle is an appropriate...

Beautifully said. I wish this had appeared as the second post/first response to fdog. We could have saved a lot of time had this and certain other gems appeared earlier in the thread. Now since you are calling on us to rethink the way we are thinking about SpareAir, may I humbly make a...

I was serious about the Trimix SpareAir, even though I'm only trained to carry the 25/25 and 21/35 varieties...

There is an entire thread devoted to this question here. Now for your amusement: Consider the benefits of a Trimix SpareAir. You are too deep to perform a CESA safely. You obviously have no buddy to assist you. Something goes wrong and you feel like you have no gas. Panic is about to set in...

If by "effectively" you mean reason you out of a position you didn't reason yourself into, then from my observation of this thread I agree: There isn't a member on this board who is going to be able to "effectively" dispute these statements in whole or in part, or add caveats, or point out...

This incident completely discredits the risk compensation nonsense that certain strokes have been spewing in this thread. The brain-damaged argue that divers adjust for a constant amount of acceptable risk. Therefore, if they dive without a redundant source of air, they will be more careful than...

If this is moved this to Wine and Cheese forum, I will respond to some of these posts with free candour. Until then, carry on sharing your notion of "freedom" with each other. Until then, I leave you with a thought. I live at the end of the underground railroad. You live at the start.

I subjectively report a large decrease in sub-clinical DCS symptoms on multiple dive days when I have used Minimal Deco rather than a PADI-style single safety stop. Ratio Deco adherents conjecture that the driving factor is the surface tension of bubbles rather than tissue saturation. Stopping...

Discrimination is, broadly, choosing whom to hire or not hire based on things that are not based on expected job performance. Some forms of discrimination are illegal in some jurisdictions. Some are not. Basically, you are saying you don't want to hire someone who isn't like you. If you...

In Ontario, there is no right to any particular fashion choice that is purely elective. However, if it turns out that the prospective employee is a Rasta, or a Sikh, or Hassidic, or what-have-you, there will be trouble if you discriminate against them. By far the safest course of action is to...

I strongly suspect that the people arguing against SpareAir on the basis of risk compensation are thinking of divers who occasionally push their backgas to its limits or wander away from their buddies thinking subconsciously that they have a SpareAir if anything goes wrong. Diving on a...

It is not obvious to me that dreadocks or tattoos are "unprofessional." It sounds suspiciously like Sneetches with Stars, some arbitrary way some people have of dividing "us" from "them." Come to think of it, I have trouble with the word "unprofessional," it's intellectually empty. Unkempt is a...

Off topic but... If your customers prefer attractive white male heterosexual employees, is that what you hire?

There is a whiff of the undead zombie around this subject. Could I have been bitten by trolls and thus returned from the grave? Now, can we please have a serious explanation for carrying two SpareAirs? Is it to handle the case where a diver and her buddy both go OOG? p.s. Also, in that long...

I changed my mind. If you are not amused or provoked into thought by my posts, you can choose to ignore me, this will save you a lot of time and grief. I am not going to tell anyone not to use a SpareAir, but it is pretty obvious to me that your summary of arguments against SpareAir is a...

Stand by for twenty-eight more pages of people arguing that dual SpareAir is not an adequate remedy for skills deficiencies such a failing to monitor the available gas in your first SpareAir, with detractors heatedly retorting that sh*t happens, and you don't want to drown thinking, "If I only...

Are those run times or do they include your ascent and safety stop? And how much time do you spend at the safety stop?

Would you say the same thing about a black person with fair skin trying to pass themselves off as white? Or a homosexual pretending to be straight? p.s. Wikipedia on Dreadlocks. In my jurisdiction (Ontario, Canada), discrimination on the basis of religion or ethnicity is illegal. If I wanted to...

There's a difference between a "roll" model and a "role" model. I agree that we all want to know that a Dive Master's idea of "buddy breathing" involves sharing a regulator, not a narcotic :-)