How to Make Flavoured Hard Seltzers

Add flavour to hard seltzers using flavour concentrates, with simple techniques, dosage guidance and flavour ideas for creating refreshing, balanced drinks.

What you’ll need

✦ Carbonated water or alcoholic base
✦ Flavour concentrate
✦ Simple sugar syrup or your preferred sweetener, such as stevia
✦ Mixing bottle or glass

Bottles and glasses of lemonade with fruits on a white background

Step by step guide

Build

Pour your seltzer or carbonated base into a clean mixing vessel.

Flavour

Add your chosen flavour concentrate, starting with a small amount and adjusting to taste.

Finish

Add simple syrup or your preferred sweetener, such as stevia. Mix gently to keep the carbonation intact, then taste and make any final adjustments.

How much flavour concentrate should I use in hard seltzer?

Start with 0.5–1% flavour concentrate, then adjust to taste. For 1 litre of hard seltzer, that’s approximately 5–10 mL of concentrate.

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Tips for best results

✦ Start small and adjust flavour to taste.
✦ Use PG or water-soluble flavours.
✦ Add sugar syrup or stevia to balance sweetness.
✦ Stir gently to preserve carbonation.
✦ Serve over ice for the best experience.

What flavours work well in hard seltzers?

✦ Lime
✦ Lemon
✦ Raspberry
✦ Strawberry
✦ Passionfruit
✦ Mango
✦ Watermelon
✦ Grapefruit
✦ Yuzu
✦ Lychee