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Old 01-01-2020, 04:27 PM
JamesPopper JamesPopper is offline
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Default Has anyone ever filled a GL with helium?
Has anyone ever filled a GL with helium? Im thinking of getting one filled at a party city, I know its super expensive, but maybe it will be worth it...
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Old 01-01-2020, 10:17 PM
Heliumpongo Heliumpongo is offline
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Default Re: Has anyone ever filled a GL with helium?
Only in dreams. It was fun in my imagination.

I look forward to hearing about the experience if you go ahead with it. Much excitement may lie ahead.

One of my favourite things about helium filled balloon is the unexpected ways they move. Helium is such a rare treat in my life that I find the balloons escaping my grasp, hitting me in the face, racing upward where their air filled counterparts drift downward a source of additional delight.
I love the fantasy that balloons have sentience and agency and helium filled balloons fit into that dreamy realm very well.
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Old 02-01-2020, 03:27 PM
BalloonBoyUK BalloonBoyUK is offline
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Default Re: Has anyone ever filled a GL with helium?
As others have said, the cost is the only thing that really stops me from doing it. I do have access to a GL-700, and helium, but although it would look amazing, and would probably stay afloat forever, the sheer cost of the gas it would need to fill it would be eyewatering, and I don't think I could justify that cost for one balloon - no matter how great it may be.
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Old 03-01-2020, 12:59 AM
SAF SAF is offline
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Default Re: Has anyone ever filled a GL with helium?
no helium for me but I would love to see a balloon drop with a bunch of GL700... Phish style drop at MSG type
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Old 03-01-2020, 03:56 AM
TooBigToFail TooBigToFail is offline
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Default Re: Has anyone ever filled a GL with helium?
There was a good writeup from BalloonBoyUK on this very subject about a year ago (included below).

That being said, transporting it from Party City is going to be a challenge - let alone having to determine pricing for it with the front desk staff. When I go in to get my 36" balloons filled, they have to refer to a binder to determine pricing for it. From my glances at it, it only goes up to 36 inch balloons. Determining pricing for a GL is going to be awkward.

Best bet is going to be to rent your own helium tank. A lot cheaper too if you plan on filling multiple balloons

Not to mention that bringing in a GL to a Party City screams "Looner"! The less public attention we get, the better

Originally Posted by BalloonBoyUK View Post
You wouldn't need a huge tank of helium, but you would need a lot more than you realise. And any balloon, no matter what the size, will float - even a tiny, insignificant 5" balloon will float - though not for long (maybe 10-20 minutes, if you're lucky). Weather temperature also affects buoyancy too.

An average-sized helium cylinder (that stands about 4ft in height, and has about 5 cubic metres worth of gas in it, and weighs about 25kg), would probably fill about ten x GL-1200's, give-or-take.

Going by current costs (for me, at least), one such cylinder would cost about 175 to purchase (excluding the hire charges, but inclusive of most taxes), and that would equate to about 25's worth of helium per GL1200 filled.

Seeing as the price of a GL1200 balloon, is about 7, you're looking at about 32 (give-or-take) to fill one GL1200 with helium! Add-in another 3 for treating it with Hi-Float, to keep it afloat for even longer, and you could have it stay floating, for over three months solid, with ease - as long as the room it was in didn't have too much variance in temperature, of course! (I've had 36" Qualatex rounds, treated with Hi-Float, and filled with helium, stay afloat for two months, with ease!)

Yes, it would definitely be fun, but also an extremely expensive science project - 35 for one GL1200! Now, all you'd need is a room big-enough to store it in...

...but that'll probably set you back a few hundreds of pounds/dollars! LOL

Last edited by TooBigToFail; 03-01-2020 at 04:00 AM.
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Old 03-01-2020, 05:38 AM
LoneLoonRider LoneLoonRider is online now
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Default Re: Has anyone ever filled a GL with helium?
Originally Posted by TooBigToFail View Post
There was a good writeup from BalloonBoyUK on this very subject about a year ago (included below).

That being said, transporting it from Party City is going to be a challenge - let alone having to determine pricing for it with the front desk staff. When I go in to get my 36" balloons filled, they have to refer to a binder to determine pricing for it. From my glances at it, it only goes up to 36 inch balloons. Determining pricing for a GL is going to be awkward.

Best bet is going to be to rent your own helium tank. A lot cheaper too if you plan on filling multiple balloons

Not to mention that bringing in a GL to a Party City screams "Looner"! The less public attention we get, the better
How much does filling 36" balloons at Party City cost you?
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Old 03-01-2020, 03:44 PM
TooBigToFail TooBigToFail is offline
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Default Re: Has anyone ever filled a GL with helium?
Originally Posted by LoneLoonRider View Post
How much does filling 36" balloons at Party City cost you?
About $8 each (with tax included)
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Old 04-01-2020, 01:17 PM
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LoonerPlanet LoonerPlanet is offline
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Default Re: Has anyone ever filled a GL with helium?
Never tried a gl, but I have inflated a 5 foot Unique banner balloon with helium, as well as 646's. I remember an old video from italoon.org that included a gl500 with helium. I also remember wishing to do the same. Sigh.

Sadly, I agree that is way too expensive today and the physics is against you. Long balloons won't float as long as round balloons. When it comes to volume versus surface area, round is more efficient at containing the maximum amount of volume with the least amount of surface. So they can hold more helium with less balloon weight than long balloons or other shapes.
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Old 04-01-2020, 09:10 PM
BalloonBoyUK BalloonBoyUK is offline
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Default Re: Has anyone ever filled a GL with helium?
One other point: whilst I'm sure some stores would be willing to fill a GL with helium, the cost isn't the major issue for anyone wanting to do it...

..it's going to be how the heck you get it home safely, and through average-sized doorways!

Having sometimes struggled to get 36"/3ft Qualatex rounds through average sized doorways, without them popping, and keeping them away from anything sharp, doing that with a GL is going to be near impossible, I'm afraid. Even when you have shops with automatic double-doors, or using a small van to transport your balloon in, it'd be a nightmare to get it home safely, whilst avoiding every obstacle (person, sharp objects like stone walls, lights, overhead signage, etc, etc) on the way there.

Your only viable option, unless you have a mansion, or a large window/door to get it through, is hire a cylinder of helium of your own, and inflate it in the same room you intend to play with it in. Once inflated, you'll be unlikely to be able to ever move it comfortabaly (or safely) through your home, without it ending up being popped, unless you deflate it and waste some helium.

Last edited by BalloonBoyUK; 04-01-2020 at 09:13 PM.
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Old 09-01-2020, 01:23 AM
PBK PBK is offline
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Default Re: Has anyone ever filled a GL with helium?
I did it. It's neat. I spend a lot of money on helium. It's still worth it. I inflated a giant Italian doll balloon with helium, too, and it was amazing.

To add: The GL-1200 was coated with Hi-Float and it remained floating for 19 months.
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