Do Most Spa Chemical Products have a shelf life?

Most chemicals do not have a shelf life as long as they are kept in dry storage and a temperature range above freezing.  Liquid chemical products that freeze-up and granular products that become hardened should be disposed of. Test Strips, unlike chemicals, do have a shelf life and they should have an expiration date printed on the bottle. They also can be damaged by being exposed to moisture and extreme heat conditions.



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