Ingredients.

With lemon to remove the zest, and the lemon refrigerate. He we only need the next day. In a saucepan pour water, put the leaves of black currants and zest. Bring to boil and here is the crucial moment. Because right now, from Your actions depends on taste. If You want to have very distinct taste peel then boil for 2 minutes If You don't like it, then just bring to boil and immediately remove. Or even peel do not put.

Blueberries wash and drain in a sieve to flush with berries. Then mash or use a blender. Pour hot infusion and allow to cool. Add sugar and yeast, stir until they are dissolved. Cover with gauze and leave in a warm place for 24 hours. I put on the window, although we have now all the warm places.

Kvass strain and add freshly squeezed lemon juice, we put it in the refrigerator. In a jar put the berries raisins, pour kvass. Resealed and put in the refrigerator for 2-3 days to steep.

Here's a he. Specifically removed the raisins, so You can see what he came up. And no problems with removing it will not.