How to Find a Leak in a Helium Balloon
- 1). Fill a sink or tub with water. Immerse the balloon and look for bubbles caused by the leak in the balloon.
- 2). Mix hand soap or dish soap with an equivalent amount of water to create a soap film.
- 3). Wipe the soap film over sections of the balloon. Watch for bubbles to form at the leak or leaks.
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