Prep First, rinse the sea buckthorn (if frozen, let it thaw slightly). Then, peel the ginger and grate it or cut it into thin slices.
Cook Next, place the sea buckthorn, water, and ginger in a pot. Bring to a boil over medium heat, then simmer for about 15 to 20 minutes, until the berries fall apart.
Strain After that, strain the mixture through a fine sieve or cheesecloth, pressing firmly to extract as much juice as possible.
Sweeten While the juice is still warm but not hot, stir in the honey and lemon juice until fully dissolved.
Bottle Finally, pour into sterilized jars, seal, and store in the refrigerator.