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Breaktru Forum  |  eCigarette Forum  |  eJuice Calculator  |  Topic: Pop-Up Warning - Add More PG/VG, Negative Numbers
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Author Topic: Pop-Up Warning - Add More PG/VG, Negative Numbers  (Read 9779 times)

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Online Breaktru

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Pop-Up Warning - Add More PG/VG, Negative Numbers
« on: August 03, 2011, 04:45:51 PM »
What is the Warning Pop-Up Window about Negative Amounts?
See: http://www.e-cigarette-forum.com/forum/diy-e-liquid/140495-thumbs-up-breaktru-nice-update-e-juice-me-up-calculator-7.html#post3792291
Quote
Posted by mikespiked
I usually make almost 100% VG juices... the only PG is the flavorings... but I've had a hard time using the calculator when trying to do this. (see the attatched picture) If I input 100% VG for nic base and 100% PG for flavoring, it will still ask me to put in PG to the mix, and if I dont I get an error. I could just be doing something wrong though. Any help would be much appreciated.
The calculations are correct. A neg PG amount was generated because of the added total of 15% PG in your 2 flavoring.
Put 17.5% PG in the PG result as shown in the Pix below. This is the TRUE result due to the PG in the flavoring.


Quote
Posted by Randyrtx
See below... getting a similar problem with a 100% PG mix using 5% water. Where's the VG coming from?


Because you are adding 5% in the Water/Vodka/PGA box. 5% is equally deducted from PG (2.5%) and VG (2.5%) Result equally. It's the VG 2.5% that's giving the neg result.

Offline nini000

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #1 on: May 08, 2012, 11:59:20 PM »
This is the TRUE result due to the PG in the flavoring.

Offline FluGlone

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #2 on: August 28, 2013, 09:31:10 AM »
I just wanted to note that the newer versions display the negative amount in RED text

Offline BFBCAcid

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #3 on: April 08, 2014, 08:17:25 PM »
I am new to DIY and getting ready to buy my supplies. I have a simular problem and hope you can help. I am trying to do a 100% VG blend. I'm using 100% VG, 100 VG Flavor, Distilled Water, and My Nic is 100% VG. My question is why do I have to have PG in my target to get everything to work out right on the calc. Thanks in advance for your help.





Online Breaktru

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #4 on: April 09, 2014, 11:16:42 AM »
I am new to DIY and getting ready to buy my supplies. I have a simular problem and hope you can help. I am trying to do a 100% VG blend. I'm using 100% VG, 100 VG Flavor, Distilled Water, and My Nic is 100% VG. My question is why do I have to have PG in my target to get everything to work out right on the calc. Thanks in advance for your help.

Using 10% water will split the difference for PG and VG deducting 5% PG and 5% VG.
Putting 5% as your Target PG like you did will ensure a final all VG result.

Offline BFBCAcid

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #5 on: April 09, 2014, 11:22:19 AM »
That makes sense. Thank you for the quick response.

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #6 on: April 14, 2014, 01:31:36 AM »
Sorry to post this here, but I've only just activated my account, and cannot seem to post a new topic yet.
I have a similar issue when using the 'no PG/VG' tick-box in the calculator, and trying to make %100 VG juice.

When using ethyl alcohol based flavourings, obviously I won't get true %100 VG juice, but the calculator is still outputting a negative amount of PG in the final.
The only way around I've found is, if for example using 5% flavour, is to calculate the final percentages as 2.5%PG/97.5%VG- which then displays '0ml' for the PG to add.  I have no extra water/vodka calculated into the mix- so what maths-magic/workaround can I use to ensure I am getting 30ml of '%100 VG juice', aside from the 1.5ml of ethyl alcohol based flavouring in it?

I just want to ensure accuracy and safety in my mixes, and would like to understand completely what the calculator is outputting for me.
Thanks!

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #7 on: April 14, 2014, 07:23:13 AM »
Welcome to the forum Orgasmo.

Using the checkbox No PG/VG in flavoring does the same as I mentioned in Reply #4

What ever flavoring percentage you enter will be equally deducted from PG and VG.

Adjust your Target PG/VG ratio accordingly as you already did.

Offline Orgasmo

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #8 on: April 14, 2014, 11:44:58 PM »
Thanks very much for making that clear- much appreciated.

Offline Thearlaich1965

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #9 on: May 27, 2014, 03:32:52 PM »
I finally decided to look this up. I'm cool with that. :rockin smiley:

Offline noel18

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #10 on: June 17, 2014, 06:00:43 PM »

So when no PG is involved and the calculator gives you 0 drops for PG but some of the numbers are negative, the recipe is still good?
« Last Edit: June 18, 2014, 05:23:00 AM by noel18 »

Offline Thearlaich1965

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #11 on: June 18, 2014, 09:25:54 AM »
I'm having a  similar issue. :D

I'm using essential oils that I don't think have any PG. I'm not sure but I don't think they use a liquid carrier of any sort. No matter how I adjust the PG in the calc I just can't get it to balance.


« Last Edit: June 18, 2014, 09:40:08 AM by Thearlaich1965 »

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #12 on: June 18, 2014, 10:55:48 AM »
I'm having a  similar issue. :D

I'm using essential oils that I don't think have any PG. I'm not sure but I don't think they use a liquid carrier of any sort. No matter how I adjust the PG in the calc I just can't get it to balance.


You are starting with Nic at 50/50 PG ratio and trying to make it 100% VG.
By adding 15% water, half (7%) is added to PG and the other 7% is added to the VG final ratio.
The same thing applies by checking the boxes "Zero PG/VG" in the flavor lines. Half of the flavoring percentage is equally divided and added to the PG/VG ratio.
Your final Target PG/VG ratio needs to be adjusted. The highest VG ratio will be 85.65% with what you are using.

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #13 on: June 18, 2014, 12:33:51 PM »
Thanks, I goofed on my ratio, it's supposed to be 100%VG, but that still gives me a good work around.

I was wondering what to do in this case.

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #14 on: June 18, 2014, 12:38:48 PM »
Got it, thanks again. I love this tool and use the PV tuner all of the time. :)

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #15 on: June 21, 2014, 01:19:47 PM »
would anyone care to accept a brief phone call on walking me through this issue at earliest convenience !?!? 

many thanks!!!

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #16 on: November 11, 2016, 04:26:33 PM »
Another new user here. I'd like to see a "Check Box" by the preferred PG/VG ratio so as to basically turn it off. When mixing small test batches, one drop of a flavor enhancer can change ALL the ratios! It's a little tough to go less than one drop. I would like to be able to input my desired PG/VG ratio, check that box, then have it adjust according to what I am actually putting in the mix. Then I can see how close I am to my targeted ratio. I was mixing up a batch with 1 main flavor and then minute amounts of Sweet and Sour. Those enhancers were also PG based so I went over and I got the dreaded Negative PG numbers. In order to get that PG out of the negative and close to zero, I had to go tinker around with the preferred ratio numbers, inputting decimals here and there - which got me "Exception Errors", but just clicked continue and it kept working...- until finally I got a near zero positive PG add. I'd rather have it work the other way. Tell me that I am going over or under a desired ratio, but let me decide if that is OK.

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Re: Pop-Up Warning - Add More PG/VG, Negative Numbers
« Reply #17 on: November 11, 2016, 05:43:49 PM »
Welcome to the forum APRock.
I hear your concerns. I will consider your suggestion.

In the meantime, If you get a negative PG, deduct the PG total % number from the Target VG %.
Example: The PG result shows "-2.5%" and your Target VG is 50%. Subtract 2.5% from 50%. Make the target VG 47.5%.

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