When does my TAP bottle glow? October 04, 2021 20:15 Updated Once you have long-pressed the timer button on the bottom of the bottle, your bottle will glow hourly for the next 12 hours. Related articles How do I set-up my GLOW notifications for my TAP bottle? How many glow lights are available to choose from for my TAP bottle? How long is the battery life? TAP to TRACK Process for iOS (Apple) Phones What type of battery does TAP use?