Watermelon water contains some electrolytes, but the exact amount may vary depending on how it's made. u003cbr/u003eu003cbr/u003ePotassium is especially abundant in watermelon, with a medium-sized watermelon containing around 640 milligrams of potassium. This makes watermelon a good natural source of this essential nutrient. However, when watermelon is turned into watermelon water, the concentration of electrolytes may be diluted depending on the amount of water used in the recipe.u003cbr/u003eu003cbr/u003eTo boost the electrolyte content of watermelon water, some people may add other ingredients such as coconut water or Himalayan salt, which are both good sources of additional electrolytes.