Prepare the Juice: Ensure your sea buckthorn juice is pure, with no preservatives, as these can hinder fermentation.
Dissolve Sugar: In a small amount of warm water, dissolve the sugar. Let it cool, then add to the sea buckthorn juice, stirring well to combine. This will provide fuel for the fermenting microbes, balancing the juice’s tartness.
Add the Starter Culture: Add your starter culture to the sweetened juice and stir well. If you don’t have a starter, fermentation may take longer, but it should still proceed.
Salt (Optional): Add salt if you prefer, stirring until dissolved. Salt can help control microbial growth, but it’s optional if you want a slightly milder-tasting ferment.
Fermentation Setup: Pour the juice into the jar, leaving at least 1 inch of headspace to allow for expansion. Cover with an airlock or breathable lid to release gases while preventing contaminants from entering.
Ferment: Place the jar in a cool, dark area at room temperature (18–22°C / 65–72°F) and allow it to ferment for 3–5 days. Taste the juice daily to monitor flavour and carbonation.
Taste and Adjust: After 3–5 days, if it has reached your preferred tanginess, transfer it to the fridge to slow down fermentation. If the flavour is too strong, consider using it as a concentrate, diluting with water or other juice.