That's because Sriracha doesn't' have to be refrigerated, even after the bottles have been opened. ... The reason you don't have to refrigerate Sriracha is because its ingredients are pretty resistant to bacterial growth, which is what causes food to become unsafe and ultimately spoil.

Can Sriracha be left unrefrigerated?

And even if you tend to store hot sauce in the fridge, there's no reason to freak out about food safety if you leave a bottle of Sriracha unrefrigerated overnight. ... That's because Sriracha doesn't' have to be refrigerated, even after the bottles have been opened.

How do you store Sriracha after opening?

You don't need to refrigerate Sriracha even after opening the bottle. That's because the condiment's ingredients resist bacterial growth and don't spoil easily. A cool and dry place is good enough for storing it.