Okay all you EJC users; I have a new (to me) one for ya.
Over on the
Random DIY mixing and More thread;
@FranC was trying to figure out her measurements for a recipe using
3 different carriers. It boiled down to this:
-- Desired finish volume: 5mL (this was for small testing samples)
-- Desired ratio: 60%PG / 20%VG / 20%PEG400
-- Final nic strength: 6mg/mL
-- Flavoring percentage: 6%
These are the ingredients being used:
-- plain VG
-- plain PEG400
-- plain PG
-- 60mg/mL nic in PG base
-- single flavor concentrate in PG base
I worked it out long-hand; so there is no urgency to my question. The final recipe is:
-- 20% (1.0mL) plain VG
-- 20% (1,0mL) plain PEG400
-- 44% (2.2mL) plain PG
-- 10% (0.5mL) 60mg/mL nic in PG base
-- 06% (0.3mL) single flavor concentrate in PG base
totals:
-- 100% (5mL)
Another ECF member (
@madstabber) asked me what calculator I used; and I thought this thread was more appropriate.
My question to the EJC community is:
How/what is the best way (if one exists) to use EJC to calculate this?
I will start the ball off with what I came up with. I would welcome any, and all, thoughts. Is this the best way? Is this the only way? Is there a better way? What are your opinions?
First, I couldn't see any of the "Simple Calculators" that could accommodate a third base. And, most required nowing the correct volumes to begin with (back to long-hand; and in fact what I did). I was able to check my long-hand out by putting the results into the "Results of mixing multiple ingredients" simple calculator. This confirmed nicotine strength, and total volume; but it did not provide percentages, and the PG/VG percentages were off:
Next, I thought to treat the PEG400 as an "Other" (non-PG/VG ingredient; like water, alcohol), and buld a normal recipe:
That worked... mostly. I plugged in all values in this order: Target nic, Amount to make, Nicotine, VG (skipping over PG for the moment), flavor #1 (PEG), flavor #2 (TFA-H.P.), and finally the PG. I had to manually figure out the PG value (10% PG nic + 6% PG flavor = 16%. 60% - 16% = 44%(remaining plain PG value)). I couldn't find any way to get the calculator to tell me 44% was the room remaining for the PG value. What, if anything, am I missing? Or, am I just trying to make this do something it was not designed to do?
I tried playing with the Volume Calculation toggle (both checked, and unchecked).
As well as the PG/VG Precedence setting (in both positions).
I tried both of these, in all 4 possible combinations (multiple times, remembering to "Save Defaults" each time, and starting the recipe from scratch each time); but I could never get the calculator to tell
me that the correct value was 44%. Once I told
it the value was 44% it took it just fine. But, when I tried to get it to tell
me the correct value it just went wonky (most common result was a PG value of 80%.
).
Using the "Adjust to Max PG, VG" command didn't work either.
I looked in the Help file; but I didn't see an answer. I thought I did when I read this:
(found in the help file: Getting Started>About PG/VG calculations)
and that is what prompted me to start fiddling with the volume calculation, and PG/VG Precedence settings (but to no avail).
Fran has got her answer, and as I said, this is purely conversational now. I am interested in hearing if anyone else has any ideas.
Thanks for taking the time to wade through this rambling mess of a post.