Bottled water itself does not deteriorate easily, but plastic bottles can be affected by heat and sunlight over time, increasing the possibility of microplastics and chemicals leaching, so it is best to store them in a cool place and drink them within the period recommended by the manufacturer. Prepick Image In the hot summer, one of the first things to put in your bag when going out is a bottle of water. As the heat wave continues, bottled water consumption naturally increases. that···