Self-made electrolyte water will lose nutrients when it exceeds 45 degrees. According to relevant data, the self-made electrolyte water exceeding 45 degrees will cause the loss of vitamins. Put the lemon slices into a container, pour the boiled water cooled to 45 degrees Celsius into the container, or directly put the lemon slices into an incubator with 45 degrees Celsius boiled water, then add half a spoonful of edible salt and sugar into the container or incubator, and stir with a spoon until the salt and sugar are completely dissolved.