Tart & Sour Flavour TFA
If your e-liquid recipe is too sweet, add a drop of Tart & Sour to it. Tart & Sour adds zest to just about any DIY e-juice mix, especially dessert and candy flavors.
This flavor enhancer is a mix of natural Citric acid and Malic acid that adds a sour zing to your flavor blends.
Ingredients: Natural Flavors, Water