For best results, use non-chlorinated, filtered water. Avoid using metal utensils or containers as they can harm the delicate kefir grains. Adjust the amount of sugar to your preference; less sugar will result in a less sweet, tangier drink. For a second fermentation, add fruit slices (like lemon, ginger, or berries) to sealed bottles and ferment for another 12-24 hours for extra flavor and fizz.
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