These are pretreated and laundered industrial stain monitors that Andrea ... Michael Murtaugh/NYT Wirecutter A pretreat spritz of this laundry detergent on stains works miracles.

For a front loader, use 1-2 tablespoons. Added into the detergent compartment. Store just like you would commercial laundry detergent in your laundry room. Most store-purchased laundry detergent ...

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