If you've ever asked this question, you're not alone. The amount of helium needed to complete a job is sometimes difficult to determine. We provide a small chart on our website to guide customers toward the appropriate amount of helium. However, this chart assumes that all balloons being inflated are the same size. When you're dealing with a combination of different sizes of latex and foil balloons, you need more specific information. Thankfully, Qualatex has provided a chart which lists the helium capacity of most sizes and types of balloons. It's a great resource that makes calculating exactly how much helium is needed much easier. Next time you're inflating a wide variety of balloons, simply refer to this guide: Qualatex Helium Chart Remember that overinflating or underinflating will adjust the numbers shown. Ensuring you have some extra helium is always wise. Give yourself some wiggle room and consider popped balloons, as well as discrepancies in size
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