"Vapor locked" cartridges

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I fill 10 carts at a time to carry in my kit. I fill them up from the end closest to the battery, leaving a visible "bubble" at the top to allow for the space the atomizer spike fills. However, I am continually having to tap the cart in order to get the liquid to feed down the the atomizer. I use 50/50 juice, 12mg nicotine and mostly clear juices. Regardless of whether the juice is thin or thick, I frequently get a dry taste with little vapor, until I tap the unit several times. Anyone else have this problem?
 

chefkeith

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Apr 18, 2013
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Occasionally, with certain juices - usually thick ones with a high VG%. You could try thinning it with a bit of distilled water.

Usually, instead of tapping or flicking, I just plug the air hole momentarily and get a better hit. Don't plug it for more than half a second or so, or it will flood the atty like crazy. It's gurgle city after that.
 

chefkeith

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Apr 18, 2013
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Isn't a bit apples and oranges to compare one person's xx/xx to another person's xx/xx? I would assume that there are variations between nic content and flavoring viscosities that would affect the overall viscosity and wicking characteristics. And that doesn't even account for undissolved solids.

Furthermore, I'm not sure I believe a "vapor lock" exists (though I did consider when I first bought my eRoll). I posit that different juices wick differently because of the above mentioned variables, and when wicks become clogged they filter the juice causing flavor change and a hard draw. When the draw becomes to firm, a vacuum builds causing juice to be sucked either through the wick or where the atty meets the spike, thereby flooding the atty and causing gurgling (when juice gets trapped between the cone and tank, and even inside the tank). I believe leaking is caused by capillary action, and the rate of leakage is affected by juice viscosity and slight variations in the manufacture of the attys, tanks, and cones, not because there was a lack of vacuum in the tank or some kind of vapor lock. If my eRoll has such a hard time holding a thick liquid, I find it hard to believe any part could ever be airtight.
 

cloudcity

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Oct 6, 2013
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Boston MA
I find a few short "primer" puffs before my actual drag always helps me avoid any burning...

Also, the seal on the caps wears down over time, and they can get leaky after using them a bunch... Still I find that I've been able to use the same cartridge for 4 days without a problem. Either way, different users experince different issues.

You could try getting new cartrideg caps (they're dirt cheap.) eRoll Caps

Also, you can rewick your atomizer with stainless steel mesh (also dirt cheap.) I don't get wicking problems or dry hits (as long as the juice isn't too thick) after doing this... takes a few tries to get it right, but now it works great...

Eroll Ego C mesh wick - YouTube
 
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