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Tech Talk articles

April 28, 2022. 8:35 PM

Grout stains: Organic or inorganic?

We typically see two types of grout stains that are classified as either “organic” or “inorganic.” Organic stains include food stains, such as fats, grease, proteins and carbohydrates. Organic stains also can be caused by living matter, such as…

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