Yes, there are different qualities of helium. Most helium is now mixed with air because of the worldwide helium shortage.
Some helium is 99.99 percent pure, meaning without any air. There are disposable helium canisters, which are typically a mixture of balloon gas. This will not affect the float time of the balloon.Follow Bargain Balloons on social media for information, updates, tips, DIY ideas, and much more!