Very important question – can fireworks be expired?
I think no, they can’t. Despite the fact that they sometimes have expiration date I think that it’s impossible for them to be expired.
You need to be very cautious when you are using older fireworks. The most important to correctly work is storage. I wrote about it recently.
It’s obvious, that “fresh” and new pyro will be for sure stronger than old. However, sometimes if you are buying pyro on different pages, from different ultras shop, you don’t have security that it isn’t old product, which for many years was laying on the shelf…

Here you have example of expiration date (by polish: data ważności). As you can see this smoke bomb has a long expiration date – 5 years 🙂


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