8% mixed with 16% Nouvatan

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LilysMummy

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I put just over 50ml 8% and about 10ml 16% what tan would that be? I'm worried iv done too dark :0 on my pale client. I thought 8% would not be dark enough, would this of made her too dark, or roughly less than a 12% ?

Am panicking, :S can't wait to here from her tomorrow.


Tan geeks I need your help :)
 
Should be just under a 10% - but really you're better of mixing an 8 with a 12 and mixing it 50/50 - mixing 1/6 of one and 5/6 of another is just a maths nightmare you could probably do without... :)

If you want a 10 then mix 8 and 12, if you want 14 mix 12 and 16... you get the idea
 
50ml of 8% and 10ml of 16% will give 60ml of 9.33%.

However that's if it is mixed exactly. You said "just over 50ml" and "about 10ml" so pick a number, any number! Lol!
 
Haha. Thank u. If its below 12 im happy

Sent from my HTC Desire HD A9191 using SalonGeek
 
You have made aprox 9.5% solution.
The maths is below.

If your going to mix solutions and know what % you getting then you need to stick the the equasion:

% + % = ?? ........ ?? / 2 = new %

ALWAYS mix in equal qualtities - even if you had mixed 10ml + 10ml to get 20ml then mixed the 20ml you made with another 20ml to get 40ml and so on then you could have worked out what % you had created but because you didn't stick to equal quantities it makes the maths extreemly longwinded to do.



I worked it out that you would have mixed 10ml + 10 ml (16 + 8 = 24 .. 24 / 2 = 12%) that would have given you 20ml of 12% which you would have them mixed with 20ml of 8% which would have been (12 + 8 = 20 .. 20 / 2 = 10%) so you would have had 40ml of 10% then you added another 20ml of 8% - so you would have to had to use 20ml of the 10% you have made at this stage and add that to the 20ml of 8% leaving you with 20ml of 10% to add in again later, so (10 + 8 = 18 .. 18 / 2 = 9%) then you have 40ml of 9% and 20ml of 10% that still need adding together.

So 10ml + 10ml (9 + 10 = 19 .. 19 / 2 = 9.5%) so now you have...

20ml of 9.5%
10ml of 10%
30ml of 9%

You would then add the 10ml + 20ml together to get 30ml (9.5 + 10 = 19.5 .. 19.5 / 2 = 9.75%) then add that 30ml to the other 30ml and you would have 60ml of ......

9.75 + 9 = 18.75 .. 18.75 / 2 = 9.375%

So you had 60ml of 9.375% solution.



**Off for a nice cuppa and a choccy biccie now as that taxed my brain a bit lol**
 
I don't know the exact measurement, :O lol thank you anyways xx I thought I had 12 % then realised I hadn't. So in went the 16 x

Sent from my HTC Desire HD A9191 using SalonGeek
 
I have to say that I personally would not have done what you did with a paying client.

If you had known the maths then you could have made up a slightly darker shade for her with 16% and 8% but just chucking together a bit of this and a bit of that and hoping for the best isn't really the way you should be dealing with a client.

Someone wanting a 12% tan will most likely be coming back complaining after getting a 9% tan as that is quite a bit lighter than they would have expected.

I hope your client is happy with her tan and you don't have to deal with any complaints.

I would also recomend you keep a better eye on your stock levels and learn the maths of how to mix solution if your planning to limit the percents you buy or mix again in the future.
 

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