Using spit on o-ring?

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scubadobadoo

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Many times while on vacations I have seen DM's spitting on tank o-rings to help stop minor leaks. Could this small amount of moisture hurt a regulator or cause rusting inside a steel tank?
 
Probably won't get inside the tank since the air flow is outward. Probably not good for the long-term health of the regulator. O-rings are really cheap (pennies), so I'd be weary of any place that doesn't keep a replacement on hand.
 
I doubt it would be any more effective then removing the o ring and cleaning it and the sealing surfaces.

Plus if it's your rental tank/regulator he's doing it to, do you really want to be breathing DM spit ? :wink:
 
bradshsi:
I doubt it would be any more effective then removing the o ring and cleaning it and the sealing surfaces.

Plus if it's your rental tank/regulator he's doing it to, do you really want to be breathing DM spit ? :wink:
No, but when you ask for a new o-ring and they come over and spit on the o-ring and then attach your reg before you can say please don't, then you don't really have an option, lol. I have seen this done twice in Grand Cayman and once in Cozumel. I thought it was strange but they claimed it works.
 
I doubt it would be a problem.
 
Empty V:
I'd take his 1st stage off and spit on his o-ring and ask him "Now how do you like it?"

Good idea, but what if he says he does?:D

Actually I should be ore clear. he DM's spit on a finger and then rub that on the o-ring.
 
scubadobadoo:
Many times while on vacations I have seen DM's spitting on tank o-rings to help stop minor leaks. Could this small amount of moisture hurt a regulator or cause rusting inside a steel tank?
I always carry a set of tank o-rings - I don't rent tanks that often, and I have a DIN regulator, but I keep those in my save a dive kit, and if an o-ring needs to be replaced... I replace it.
 
scubadobadoo:
Good idea, but what if he says he does?:D

Actually I should be ore clear. he DM's spit on a finger and then rub that on the o-ring.

Then I would spit on his finger and rub it on his o-ring and say, "How do you like it when I spit on your finger and make you put it on your own o-ring?"

If he says he likes it then I'd find someone else to dive with :banghead: I don't know if I'd want to dive with a spit licker.
 
https://www.shearwater.com/products/teric/

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