Tag: Seachem prime

While the internet often muddles information, conversations on Reddit highlight a common point of confusion: does Prime go bad after opening? The short answer is yes, like most beverages, opened Prime Hydration has a limited lifespan and must be refrigerated to maintain safety and quality.

According to Seachem, the manufacturer of Prime, its detoxifying effects on ammonia, nitrite, and nitrate last for up to 48 hours. However, the product's function of instantly neutralizing chlorine and chloramine is permanent.