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Mixing by mass

Posted by Eden Sorrell on

You have two choices when mixing up your batches and there are valid reasons for both.  We'll go over when and why you would want to use volume or mass in this DIY vape guide.

Volume Mixing Ejuice

This is the simplest way to mix your ejuice and it's the most appropriate way when you're experimenting.  You will use syringes to measure the volumes for your nicotine and flavourings, then add your PG/VG.  It's fast and relatively accurate for small amounts.  It works extremely well for volumes between 10ml and 100ml, but it can be used for larger batches as well, depending on your syringe sizes used.  The ease of use makes for quick measurements until you need to measure multiple times per fluid.  The easiest volume to work with for R&D is going to be 10ml since it's a round number to multiply when you go to increase your batch size.  In this case, 1ml = 10%, .1ml = 1%, which again, makes everything a piece of cake.

Mass Mixing Ejuice

When you're happy with your flavour and ready to make a larger batch, you may want to invest in some pyrex glass containers and a scale or two for different mass ranges, depending on the size of your batch, and the largest/smallest amounts you'll be measuring.  Generally, you want the lowest mass range possible to give you the most accuracy.  Eg.  If you want to create 1-4kg batches, get a 5kg scale.  The higher the accuracy for a given mass range, the higher the cost becomes, so find one that balances cost with accuracy.  

In order to effectively use mass-based batching, you will need to know the density of every single ingredient you're using.  This can be time consuming, but without it, you're going to have problems scaling your recipes from volume.  The reason is that different flavourings can have different densities, so for a given volume, the mass could be different between flavourings.  VG and PG also have very different densities.  For VG, the density is 1.26g/ml and for PG, the density is 1.04g/ml.  Flavourings will usually be around 1 - 1.2mg/ml depending how much alcohol, PG, or VG is used by the manufacturer.  

Measuring density can be accomplished by setting a lightweight container onto your scale, zeroing the mass on the scale, and then depositing 10ml of liquid onto the container.  Take the result on your scale in mg, divide it by 10ml, and you have your density in mg/ml.  Write it down.  Now anytime you want to convert your volume from a recipe, such as .3ml in 10ml, you will multiply the .3ml by your density number in mg/ml.  Mathematically, the ml units cancel each other out and you're left with the mass needed for your batch.  Eg. for 1.1mg/ml density, multiply that by .3ml to get .33mg, and then multiply .33mg by the factor used for your batch.  If you're making a 600ml size batch, then you'd divide that by your standard recipe's 10ml to get a multiplication factor of 60x.  To finalize your calculation, you'd multiply .33mg x 60 to obtain 198g.  You would put 198g of flavouring into your 600ml batch.  

Now get mixing!

DIY eliquid creation is a complex process when done right, but we're here to help you along the way.  Now that you have a better understanding, you can decide which system is right for you.  Have fun with it and happy mixing!

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  • I have been searching You Tube for recipes. I’ve tried a few and have found them all very weak in flavor. I’ve experimented with these recipes by increasing the percentages. So far, without success. Can someone give me advice; for instance how to mix a rich strawberry cream?

    Jon on

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