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What Is The Blue Liquid In Ice Packs? [Solved]

Reusable ice packs typically contain water, something to lower the freezing temperature, a thickening agent, silica gel, and non-toxic blue coloring. The concerning component in reusable ice packs is the ingredient used to lower the temperature, which is usually propylene glycol.

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Equipment expert Adam Ried reviews

What’s Inside an Ice Pack?

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Kona Extreme Cooler Ice Packs How To Use

No need to add ice! Just add water to the Kona