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Pg and vg???

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James416

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I'm curious about something, I've seen this question a few times but haven't really read much on it, is there a difference in different brands of VG and PG? Is one brand better then another? Is it all the same? Do some vendors water it down? Cut it with something? Lol idk what all to ask really, I expect it to be all the same no matter where you go. If there is better then where's the best place to get it at the best prices... And if there is differences what are they? What do ppl do to it? Thx
 

idle

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I will preface this by saying that I do not know about PG first hand. I have been told by someone who I consider reliable that 95% of all USP grade Propylene Glycol is made by the same company and marketed under many different brands. I would suspect there is at least some truth that most of what winds up in the market in North America at least would be very similar to each other. It is basically just chemical & water so I don't know what kind of differences there could be other then ratio. Glycerin (BTW I also have been told that there is no such thing as Vegetable Glycerin, just a different way of marketing it) would likely work this way as well.

Again I am far from an expert and do not know this first hand. Anyone more familiar with them care to respond?
 

MisterMike

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Anybody know where the absolute best place is to buy pG and vG bulk in Canada?

Quite honestly, a local pharmacy. I've heard of some people getting the gears when ordering PG from a pharmacist, but mine didn't even bat an eye. $9.25 for 500ml. Ready the next day.

I don't know if you're averse to using USP glycerin, but I've found the RW Packaging stuff (Life or Rexall brands) to be just fine. $5-ish for 250ml at Shopper's.
 

James416

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Quite honestly, a local pharmacy. I've heard of some people getting the gears when ordering PG from a pharmacist, but mine didn't even bat an eye. $9.25 for 500ml. Ready the next day.

I don't know if you're averse to using USP glycerin, but I've found the RW Packaging stuff (Life or Rexall brands) to be just fine. $5-ish for 250ml at Shopper's.
Yea Idk if if like using pharmacy stuff, I have a bunch already from a vendor I feel safe about I'm more so just researching
 

MisterMike

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Yea Idk if if like using pharmacy stuff, I have a bunch already from a vendor I feel safe about I'm more so just researching

Is it the glycerin you're concerned about, or PG, or both? I've always thought that USP is the purest grade you can get of either one, and I've personally had no issues with the stuff I've used.

That's neither here nor there, though. I'm definitely not out to change your mind. Just curious is all. Feel free to tell me if I'm being too nosy. :)
 

James416

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Is it the glycerin you're concerned about, or PG, or both? I've always thought that USP is the purest grade you can get of either one, and I've personally had no issues with the stuff I've used.

That's neither here nor there, though. I'm definitely not out to change your mind. Just curious is all. Feel free to tell me if I'm being too nosy. :)
Not at all dude, I'm basically just curious myself, I already have some good PG and VG from flavourfog, I just like knowing anything and everything there is about this stuff, I'm actually surprised no vets have chimed in on this, makes me think not many ppl really know about pg and VG except the basics.. I do know some sell it in different % and have also heard some tastes different and some is not as thick.. Is there anybody with DIY experience that has there fav place to buy pG and VG in Canada?
 

Battlelance

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I've been using the Life glycerin for a while now and I'm still around. I suppose I could be vaping rendered baby harp seal blubber, but it produces good vapor and no weird taste, so I'm cool with that (the glycerin, not the seal thing. Just to clarify. :)). I just thin it out with a bit of distilled water and make my juice.
 

James416

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After research and talking to a very informative buddy I think it's a shame 155 views and nobody has talked about safety on this stuff, I assure you guys there is a difference and I'd advise to do some research as well. Ask for msds sheets and study the info. There's some pretty scary stuff included in these products... I knew I was looking this stuff up for a reason lol
 

Battlelance

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After research and talking to a very informative buddy I think it's a shame 155 views and nobody has talked about safety on this stuff, I assure you guys there is a difference and I'd advise to do some research as well. Ask for msds sheets and study the info. There's some pretty scary stuff included in these products... I knew I was looking this stuff up for a reason lol

What ingredients are you talking about? USP glycerin is >99.7% glycerin. That is the only ingredient.

MSDS for almost all brands of USP Glycerin are exactly the same. Are you referring to the fact that all of them claim some form of inhalation irritation and a risk for elevated blood sugar levels? Polypropylene Glycol shares the same inhalation risks according to MSDS except elevated blood sugar levels.

I'd like to know what product you were looking at the MSDS for that had "scary stuff" included in it, because it most certainly isn't USP.
 
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farmer_bric

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After research and talking to a very informative buddy I think it's a shame 155 views and nobody has talked about safety on this stuff, I assure you guys there is a difference and I'd advise to do some research as well. Ask for msds sheets and study the info. There's some pretty scary stuff included in these products... I knew I was looking this stuff up for a reason lol

Maybe you should have just talked to your very informative buddy :)
 

Qcaj

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With all due respect, James416, I think that if you have serious concerns about the safety of it then you shouldn't pick up your ball and go home. I for one would be interested in hearing any information you have about the dangers.

Personally, though I'm not into DIY, I would be inclined very much to trust something I get from a pharmacy, compared to something I buy online from a vendor (who I don't know from Boo).
 

Battlelance

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Well, he PM'd me a link to a certificate of analysis: http://www.essentialdepot.com/msds/coa glycerin kosher food.pdf
I'm linking it here because I think it is important to keep this conversation public and ongoing.

Now I see where his confusion is, but I can't say I'd be concerned with <1ppm heavy metals. If they couldn't be specific, they didn't pay for a test sensitive enough to detect exact levels. Also, keeping in mind that (roughly) 1 ppm = 1mg/L. That's equivalent to a few drops in a 121L drum. Common food items, such as fish, rice, potatoes, wine, beer, etc., have higher concentrations. For example, the average American ingests about 50mg of arsenic per day from food items. Look at a water analysis for any big city (like GTA), its quite amazing the chemicals/compounds found in drinking water.

Anyway, I guess the bottom line is everything carries risk, and environmental exposure to various chemicals and compounds not healthy to humans is a everyday occurrence. There are acceptable limits set by the WHO and HC, and one must make a determination for themselves whether or not they're willing to take the risk.
 

idle

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What I read from that data sheet is that this particular batch of Glycerin was 99.84% pure Glycerin. In order to be USP grade you may have a maximum of 5ppm of heavy metals. This batch had less then 1ppm. You may have a maximum of 1.5ppm of arsenic. This batch had less then 0.1ppm. This batch had less then (and usually far less then) the allowable amount of any compound with the exception of fatty acid, which it was equal to the allowable amount. I would assume the allowable amounts are set for a reason.

There is nothing worrying at all in the MSDS.

Although I do not subscribe to two wrongs make a right, I think it is important to put into context the fact that these substances seem to be under such scrutiny and skeptism, when most people, if not everyone, does far worse to themselves on a daily basis and usually quite knowingly. It is incredible the denial that tobacco smokers are mired in (including me at one point). I would like to see the MSDS sheets for some of the foods we willingly eat daily. As the previous poster stated the MSDS sheet for tap water probably shows higher levels then this one.

Be safe. But don't be paranoid.
 

James416

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With all due respect, James416, I think that if you have serious concerns about the safety of it then you shouldn't pick up your ball and go home. I for one would be interested in hearing any information you have about the dangers.

Personally, though I'm not into DIY, I would be inclined very much to trust something I get from a pharmacy, compared to something I buy online from a vendor (who I don't know from Boo).
You have to remember PG and VG isn't intended for vaping or consuming for that matter, I doubt the brands sitting in the Walmart pharmacy really had our health in mind when making it.. I started the thread asking basically what it's all about and nobody could say anything, I found a msds sheet for a few places and some things I noticed I didn't realize was there, like metals and arsenic for one, now that I know that's there I'm gunna look to see what's better. Also was wondering if vendors mess with product by cutting it. I simply said look at the msds sheets, there isn't much else to say.
 
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