Hello, I was wondering where folks buy their helium tanks for a Balloon mapping kit? Also, do most buy or rent them because I imagine after you use them you are left with this empty tank that you really don't need sitting around? When leads to a third question about whether you would then go to refill them?
Thanks for any experience information you can provide.
Derek
Hi Derek-
Great question. I'm in NYC, and I always rent a tank from an industrial gas supplier-- the kind of place you'd go if you're getting welding gasses, etc, but if you expect to be doing lots of mapping and have a place to store a tank, it can make sense to purchase (depending on how you work with your local supplier, sometimes a purchase just means that they'll swap out your empty tank for a full one when it's time to refill, or that you can get on their delivery route for refills)-- purchasing also means that you will still have any unused helium available for future use (though some places will refund a bit for partially used tanks), instead of having to do a pick-up/return each time.
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