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Arm & Hammer Pet Fresh is a baking soda powder you sprinkle on carpet and pet bedding, let sit, then vacuum up to lift pet odors. The 30 oz box is concentrated, lightly scented, and meant for spot treatment of accidents and lingering smells rather than deep cleaning. At $2.49 at Home Depot as of November 5, 2026, it sits at the low end of its recent range, so this is a cheap way to test whether powder treatment works for your carpets.
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Lowest price we've seen: $2.49 on Nov 6 at Home Depot. Tracked across 5 stores since Nov 6.
Owners of pets generally find it helps with mild carpet odors and pet bedding, especially as a pre-vacuum step. Complaints center on residue left in the carpet and smells that return after a few days.
