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Working Out: How Long to Wait. If you have a workout routine that is scheduled for a few times a week, try to wait at least 48 hours after getting your tattoo before you work out. However, if you are in training or cannot function without a daily workout, you can cut the time to 24 hours.
A person should wait at least two weeks after getting a tattoo before going swimming, according to About.com. There should be no more peeling or flaking, and all scabs should be gone. In addition, the wearer should clean the tattoo after emerging from the water.