I'd like to give orange flavor and smell to my batch. When do you think is the best time to add it? Is it best to add orange while the wort is boiling or add it to primary fermentation? Thank you for your advices.

2 Answers 2


Common practice is to add it to the last few mins of the boil to sanitise it. Fruits (especially peels I belief) contain yeasts of their own so adding them to the primary without proper sanitation could end in unwanted results. Another option is to soak them in some solution, e.g. vodka, first prior to adding them in the primary.

  • Should I peel orange before soaking or slicing is enough? Feb 2, 2018 at 13:35
  • In the case of orange you would usually add just the peel to the boil, without any white parts, those are very bitter when boiled. But I'm guessing you want to add a whole orange, I would just cut it up and let it soak for a few days. Let the orange parts soak up as much sanitizer as possible.
    – JesseB1234
    Feb 2, 2018 at 13:54
  • look up how to zest an orange.
    – jsolarski
    Feb 2, 2018 at 16:24

Use only the orange zest, and put it into the hot wort when the boil is complete (at "flameout"). Use only the skin of the orange that is coloured, not the white underneath (the "pith").

Bitter oranges like Seville are typically used for better flavouring, but you can use everyday oranges too. For a first go, I would use more rather than less, as fermentation (or whatever) drives the flavour off. Say at least the zest of 4 oranges in a 20 litre batch. But 8 would not be out of the question either.

Failing that, you can always put it in at the end-stages of fermentation, but I have no experience in this with oranges. This is typically recommended for fruits with a less robust flavour.

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