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  • Posted by scubalady 10 years, 3 months ago
    Is a technical diving instructor I have some insight on the use of green. When we have mixed gases that is gases that we've added more oxygen too and it's called nitrox we designate that mixture with the color green. This is because nitrogen bottles are painted green.
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  • Posted by 10 years, 3 months ago
    Not this time but I have before. This is the dedicated parking slot at CostCo for filling up one's tires.
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    • Posted by Robbie53024 10 years, 3 months ago
      So, there is a purpose other than merely "being green."
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      • Posted by 10 years, 3 months ago
        I don't think it is green as in environmental. It seems to be green to designate from regular air. Stem caps are green too.
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        • Posted by Robbie53024 10 years, 3 months ago
          No, it's not. Nitrogen is a larger molecule than Oxygen, so permeates through the rubber of the tire more slowly. The benefits are not worth the costs, however, so if you're paying for Nitrogen fill, you won't likely get your money back. The nice thing about Costco is that they fill for free, and will check your tire pressure and refill (or bring to proper pressure) whenever you bring it in - so long as you're willing to wait until there's a tech avail to do so. But then, who doesn't have sufficient time whilst shopping at Costco? I can spend hours in the place.
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          • Posted by 10 years, 3 months ago
            CostCo nitro in tires and refills are free. Tech will check pressure for you for free in just a few minutes, and you don't even need to get out of your car! Just pull up and get it done while you are checking Galt's Gulch. At our CostCo there is a self-service nitro which is easy and has dedicated parking.
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