Refreshing Hydration with Watermelon and Lime. As the final day of my 7-Day Infused Water Challenge arrives, I find myself reflecting on the refreshing and beneficial journey of tasting different combinations of fruits, herbs, and water. Today’s infused water is a delightful blend of Lime and Watermelon, and it is the perfect way to conclude this challenge. Lime Watermelon Water brings together two incredibly nutritious and flavorful ingredients, both offering numerous health benefits, making it a fitting choice to end this week of healthy hydration.