# Calculating a premixed dilutant of VG 70% / PG 30%?

Hi There,

So I am new the world of DIY - been vaping for years.

So - I have a 1lt bottle of 70/30% VG/PG dilutant and I want to make this recipe: http://e-liquid-recipes.com/recipe/1298389/Fruity+test

Am I right in saying I cannot calculate the dilutant the way it is on there? As it is a premixed dilutant?
The nicotine is correct, I have a bottle of 7.2% in VG.

In which case, how would I calculate this to get it as close to the 70/30% (and hopefully keep at 4mg nic)?

Thanks! And BTW, great community - canâ€™t wait to advance and hopefully join in making some great recipes soon.

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Enter these values in the Calculator and your desire nic content in the green box.

This should work by the info you have provided.

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Hi Pro_Vape

Thanks for the info - so taking in to account what you have put, it shouldnâ€™t matter that I have a pre-mixed VG/PG dilutant?

So for example, the recipe calls for 3.87g PG & 26.49 VG - which means that I would just add 30.36g (26.49 + 3.87) of my pre-mixed solution?

Wouldnâ€™t this mean that because my flavours are PG based and I have 12%, that the total PG will go up by 12%? (So it would end up being a 58/42 VG/PG mix?

I donâ€™t mind this too much, but if there was a way to get it to stay 70/30 without applying rocket science - then I would prefer that!!

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For some. reason I didnâ€™t take the flavors into consideration. I just thought you wanted see how to enter the premixed base. Sorry if I screwed things up.

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Your premix is 7.2% which is 72 mg/ml not 7.2mg (unless i am reading wrong)

Do not vape 72mg/ml nic it will make you very very sick.

Jic that is what you were going to do.

No I realise that!

Maybe I wasnâ€™t clear - I have a 500ml bottle of 7.2% Nicotine in VG and I also have a 1 Litre bottle of flavourless 70/30 VG/PG base (with no nicotine in it)

So I was just doubting my maths about maintaining a 70/30 VG/PG after I add my nic solution and my flavours. It doesnâ€™t look like it will be possible as the ratios are wrong.

But I have a doubt, as if I have a pre-mixed base as above - doesnâ€™t that mean I should use the â€śMax VGâ€ť option? I know it isnâ€™t max but surely the total grams of the PG and VG in the recipe wonâ€™t be the same volume if I totalled those and used that amount of my pre-mixed base? (Sorry if this is a confusing statement!)

I have a recipe Iâ€™m gonna try out (a rise clone I found and adapted to 120ml): http://e-liquid-recipes.com/recipe/1300098/Test+of+Rise+clone

So in my recipe if my maths checks out -
Starting with a 70/30

• I then add 5.56% of Nictine in VG which means 5.56% added to VG, so now it will be = 75/25 VG/PG
• I then add 17% of PG-based flavour, so that = 58/42 VG/PG in the end.

Is that correct? And if so, will that make that much of a difference to flavour compared to the 70/30 I got?