Fizzy Lemonade by Fizziology is the flavour of ripe and tart lemons, laced with a cold and sweet fizzy base to brighten and lift the flavour keeping it fresh all day long. Recommended Steep time: 1-5 days. Recommended Percentage: 10 – 15%   Ingredients Natural and Artificial Flavours, Vegetable Glycerine, Propylene Glycol.