How to Reinflate Helium Balloons

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Things You'll Need

  • Mylar or latex balloon (undamaged)

  • Helium bottle

  • Balloon regulator (for Mylar or latex)

  • Ribbon or string

  • Pencil or paper clip (optional)

  • Quick-clip (optional)

Latex balloons can be reinflated.

No matter how big or beautiful they are, all helium filled balloon eventually lose their lift, but you can bring helium balloons back to life. For untreated latex balloons, it only takes a day for them to fall, while some Mylar balloons float for weeks. Helium molecules leak out of the porous latex at a relatively rapid rate, while the impervious metallic skin of a Mylar balloon seals the helium inside. Mylar balloons usually lose their helium in a slow leak through their valves or seams. But all balloons can be re-inflated if the balloon itself is undamaged.


Latex Balloons

Prepare the Balloon and the Helium Bottle

Place the regulator on the helium bottle. Turn the valve on. Press the regulator nozzle to check the flow. Check the balloon for any obvious holes or other damage. Untie any ribbon or string from the balloon. If the neck has been clipped with a quick-clip, release the clip. If it has been knotted, untie the knot. If the knot is stiff, loosen it by pushing a pencil or paper clip into the knot to pry the knot open. Take care to avoid puncturing or tearing the fragile latex.


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Step 1

Once reinflated and sealed, a bit of ribbon completes the balloon.

Place the mouth of the balloon on the nozzle of the regulator. Support the body of the balloon with the other hand to prevent the regulator from blowing a hole in the side of the balloon neck. Gently push the regulator nozzle to release helium into the balloon. Stop and listen for the sound of any escaping gasses that could indicate a hole in the latex. Continue to inflate the balloon to its proper size.


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Pinch and Tie to Re-inflate the Helium Balloon

Pinch the balloon neck closed and remove the balloon from the regulator nozzle. Tie or clip balloon neck to seal it. Tie a ribbon or string around the neck to bring the helium balloon back to life.


Mylar Balloons

Refill the Balloon With helium

Mylar balloons can hold helium for weeks.

Place Mylar regulator tip on helium bottle and turn valve on. Depress regulator button to check flow. Locate valve tab on Mylar balloon. Remove ribbon or string from valve tab of balloon. Gently place valve opening over regulator tip. Depress button on regulator. Slowly fill balloon with helium. Stop when a few wrinkles remain. Remove balloon from regulator.


Check for Leakage

Put a small amount of pressure on the balloon and listen for any helium escaping from a faulty self-seal valve or weak seams. If no helium escapes from the valve or seams, tie a ribbon on the valve and enjoy the balloon.


Twist and Seal

If helium escapes from the valve, twist the valve tab several times and seal with a quick clip, then add ribbon to bring the helium balloon back to life. If helium escapes from the seams, the balloon is dead and cannot be re-inflated.


Latex balloons biodegrade very quickly, making them difficult to reuse. If the balloon is more than a day old or has been in direct sunlight, it may be too degraded to salvage. It is much more difficult to untie a used latex balloon than to tie a new one, so most professionals recommend replacing rather than reusing whenever possible.

You can recycle foil and Mylar balloons curbside in most communities. Or choose to reuse these balloons by folding them up and putting them away. Then when you want to use them again, just take them to a florist or ballo0on store and ask for a helium refill.


Do not release Mylar balloons outside as they can cause problems with power lines and radar. And remember that Mylar does not biodegrade.



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