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How Zeolite 4A Is Replacing STPP in Modern Detergents

How Zeolite 4A Is Replacing STPP in Modern Detergents

Most people never think about what goes into their washing powder. They buy it, use it, and move on. But inside almost every detergent sold over the last 50 years was an ingredient called STPP, sodium tripolyphosphate. It softened water, improved cleaning, and kept...

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