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This test is designed to determine overall stain removal. The testing protocol is based on hot and cold water cycles. In total, 31 stains are tested, from red wine, chocolate and lipstick to baby food, formula, grass, clay and pretty much everything in between. We also test these stains on 3 different fabrics cotton, cotton poly-blend and all poly. A machine called a colorimeter is used to determine the level of the stain. The fabrics are then washed in a controlled wash and dry cycle at the two different temperatures. After the wash and dry cycles, the colorimeter is used again to determine how effective the stain remover is and the score is calculated.

In addition, an additional test is conducted to check the foaming of the detergent, ensuring it is safe for all HE machines. This will prevent your suds, light from coming on and shutting off your machine.