70/30 % mix is 7 drops APS and 3 drops NPA.
Or if you prefer 7ml APC/3ml NPA
Having received some NPA in my last order I mix 3.5ml APC and 1.5ml NPA (ratios are the same in all cases) in a handy 5ml atomiser. I found that the 10ml atomisers eat up the supply of NPA real fast [img]images/icons/frown.gif[/img]
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