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Txnow333

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Nov 22, 2014
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Im still wondering how vaping causes dehydration..... and how 3-5 ml of vape juice can drain a body of more than a 1/2 a gallon of water....
PG (propylene glycol) grabs hold of moisture in the air and on surfaces.

It is/was pumped into the ventilation systems of some hospitals and hotels - doesn't kill germs but makes it more difficult for them to grow.

It's added to baked goods to help keep them fresh. Part of why Twinkies don't mold.

In vaping, PG grabs the moisture in your mouth and you expel it as vapor. I believe VG has those same properties to some extent. That's why your mouth gets dry. The solution is to just drink more water, perhaps 2X as much as before - not a bad thing in and of itself.
 

Bunnykiller

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PG (propylene glycol) grabs hold of moisture in the air and on surfaces.

It is/was pumped into the ventilation systems of some hospitals and hotels - doesn't kill germs but makes it more difficult for them to grow.

It's added to baked goods to help keep them fresh. Part of why Twinkies don't mold.

In vaping, PG grabs the moisture in your mouth and you expel it as vapor. I believe VG has those same properties to some extent. That's why your mouth gets dry. The solution is to just drink more water, perhaps 2X as much as before - not a bad thing in and of itself.

VG/PG can only attract 40% of it original volume in moisture in the best situation... so... 5 ml of VG or PG can only attract 2 ml of moisture... aka water. 2 ml of water is a far streach from 1000 ml of water that need to be lost for an average person to become dehydrated.... eating salty popcorn will make your mouth feel dry too but you dont see vapor being exhaled while eating popcorn...

when some one can prove that VG/PG causes that much fluid to be lost while vaping, then I just might think about the dehydration myth being a fact... but till then its just a myth...
 

Txnow333

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Nov 22, 2014
40
30
Houston, TX
VG/PG can only attract 40% of it original volume in moisture in the best situation... so... 5 ml of VG or PG can only attract 2 ml of moisture... aka water. 2 ml of water is a far streach from 1000 ml of water that need to be lost for an average person to become dehydrated.... eating salty popcorn will make your mouth feel dry too but you dont see vapor being exhaled while eating popcorn...

when some one can prove that VG/PG causes that much fluid to be lost while vaping, then I just might think about the dehydration myth being a fact... but till then its just a myth...
Vaping does cause dehydration as any experienced vaper can tell you, but that dehydration is primarily in the mouth. It does not cause clinical dehydration affecting the entire body and all its organs and systems. Vaping does not cause fingers and toes to shrivel. Nor does it cause the liver, the kidneys, the intestines, etc. to dry up.

The volume of water you cite would be needed if one were clinically, severely dehydrated, not the localized albeit uncomfortable condition many experience with vaping.

Too much popcorn can make one thirsty due to the salt content, but will not cause whole-body dehydration.

And yes, you are correct. Popcorn, while making one thirsty, does not cause vapor. Why? Because popcorn is not doused in PG/VG, heated to a certain temp and the resultant vapor exhaled.

I use the humble Protank 3 mini, single coil, 1.8 ohm, 7-8W. Clearly I'm not spewing huge clouds, but a 2-3 second puff will give me fairly respectable vapor, far beyond the capability of my tiny coil, even allowing for slightly increased air flow (I tend to keep it mid-range).

Where does that volume of vapor come from? From the moisture in my mouth. I believe the term for PG's propensity for moisture is hydrophilic (can't multitask on this crappy little phone to check).

The reason for the need for large amounts of water is that you only have that water in your mouth a short time - seconds - then it's swallowed. Repeated applications of water are needed to relieve mouth dryness. All that extra water that's swallowed does not go to rehydrating the whole body. It ends up in the toilet.

ETA: Just checked. PG is hygrophilic. ;-)
 
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