vg in an ego c?

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Kent C

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Pure 100% VG has no nicotine, flavoring, flavor base in it. And that isn't good for any attys. But I'm guessing you're talking about an ejuice that has nicotine and flavoring in it - which really isn't "100% VG" since depending on the nic level will have the nicotine absolute as well as the base in which it comes. The flavoring and the base in which it comes also makes up a percentage of any ejuice. So an 'all VG ejuice' is about 70% VG and could be less if the blending base and nicotine base is also diluted with distilled water or PGA.

My ejuice is DIY using Decadent Vapours flavoring, nic base and VG(Aqueous Glycerine) - it has a nic base with VG and I blend with VG that is diluted by 80:20 with distilled water - the flavoring bases have some VG in them but are primarily PG - basically what people call wrongly "100% VG" because both the nic base and blending base are VG. I've had no problem vaping this in any atty and my main PV's are almost all eGo-c's except one - a reo-mini.
 

Switched

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I had to find this which I wrote some time ago... http://www.e-cigarette-forum.com/forum/ikenvape/142394-equipment-longevity-vg-liquids.html

On average VG has a density of 1.2, PG 0.9, PGA 0.8, water and nicotine is 1. If we were to compare PG and VG, VG's density is 25% greater that PG. So diluting at 20% with distilled water is well within the norm. Now I could fart around and dilute my VG to replicate PG, but that becomes just too cumbersome and takes the fun away from it. Considering that the majority of flavours are either suspended in PG, distilled water, alcohol or a combinations thereof, it is a moot point.

Diluting 100% VG with 15-20% H2O = a viscosity similar to PG.
 

Oneida

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I only use 100% VG juices with my eGo-C and have no problems. I do a few dry drags at the start of a new tank to make sure that wicking is well established as indicated by small bubbles floating up towards the mouthpiece tip, although sometimes with really thick juices I'll also need to tilt it back and forth a few times and/or rap the cone against my palm a few times to dislodge the air bubble that sometimes get stuck on the atty spike and blocks wicking. After that it's usually mostly a matter of adjusting drag strength to the sweet spot between flooding and dry hits, although a few times I've also had to adjust the wick to improve wicking because I was having to dry drag more often than I wanted to (see this short video for an explanation and demonstration). As with dripping and probably any other juice delivery system, you do need to have a certain level of awareness about an impending dry hit (e.g., reduction in flavor and/or vapor production, slight metallic taste) and take preemptive steps, e.g., a dry pull or two.

As for atty longevity with VG juices, my experience is that seems to be mostly a function of how dark and "gunky" the juice is. I've had attys last for well over a month with a clear, clean burning VG juice like Ecopure while others gunk up in less than a week or so with really dark juices such as coffees and chocolates.
 

Cid78

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As for atty longevity with VG juices, my experience is that seems to be mostly a function of how dark and "gunky" the juice is. I've had attys last for well over a month with a clear, clean burning VG juice like Ecopure while others gunk up in less than a week or so with really dark juices such as coffees and chocolates.

Switched, how can you tell whether the atty already gunked up or not from the taste?
 

Switched

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I only use 100% VG juices with my eGo-C and have no problems. I do a few dry drags at the start of a new tank to make sure that wicking is well established as indicated by small bubbles floating up towards the mouthpiece tip, although sometimes with really thick juices I'll also need to tilt it back and forth a few times and/or rap the cone against my palm a few times to dislodge the air bubble that sometimes get stuck on the atty spike and blocks wicking. After that it's usually mostly a matter of adjusting drag strength to the sweet spot between flooding and dry hits, although a few times I've also had to adjust the wick to improve wicking because I was having to dry drag more often than I wanted to (see this short video for an explanation and demonstration). As with dripping and probably any other juice delivery system, you do need to have a certain level of awareness about an impending dry hit (e.g., reduction in flavor and/or vapor production, slight metallic taste) and take preemptive steps, e.g., a dry pull or two.

As for atty longevity with VG juices, my experience is that seems to be mostly a function of how dark and "gunky" the juice is. I've had attys last for well over a month with a clear, clean burning VG juice like Ecopure while others gunk up in less than a week or so with really dark juices such as coffees and chocolates.

Purely based on your description you have wicking problems, you shouldn't have to fuss to make them work. A session to me involves 8-10 hits just like a smoke break and the device comes out of my pocket and goes back in there when done. A month?That is the minimum I expect an atty to last. I avg 4 - 6 months per atty, some went as far as 15 months (eGo T std res).
 
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Switched

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Switched, how can you tell whether the atty already gunked up or not from the taste?
Taste and performance really. I am more of a tobacco man than a "sweet tooth". That being said dependent on the liquid I vaped in that atty will indicate if she is starting to fail or not, based om personal experience. All my liquids I mix myself, so I do control what is in it.
 

Kent C

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Kent, what is the viscosity of the juice that u made? Is it the same with so called 80:20 (PG:VG) blend of juice or thicker?

The viscosity of the final product is close to a good PG (there are 'thin' PG's - Johnson Creek used to be way too thin).... But the 80:20 is only the Aqueous Glycerin part of the blend - in mine 17 parts VG blend to @7 parts VG nic which is also diluted in a base as sold, and 7 parts flavoring which depending on the volatility and dissolvability of the flavoring may or may not have any VG - so the resultant product is well below 80:20. Any stating of a ejuice such as "50/50 PG to VG" has to take into account that the VG is very likely diluted before the blend and that you still have the nic, nic base, flavoring and flavoring base to be taken into account.

Those who need an "all VG" ejuice because of PG allergy have to ask the vendor if the flavoring base has any PG in it. And they would also have to know that the flavors that require a PG base to bring out the best taste for the flavor, might not be available - sometime "dissolvablility" of certain essenses can be achieved by adding PGA to the base or a prediluted VG - that would be the best combo for those with allergies and even then one would have to make sure the nic base is either PGA, or diluted VG like Decadent Flavours Platinum Ice with a VG base.
 
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