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Arm & Hammer Baking Soda is pure sodium bicarbonate in a 3 lb resealable bag. It works as a leavener for baking, a mild abrasive for scrubbing, a laundry booster and a deodorizer for fridges, carpets and trash cans. The bag format gives you a large supply for cleaning and bulk baking jobs. The best new price is $8.00 at eBay as of November 7, 2026, with 2 stores listing it new.
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Lowest price we've seen: $3.99 on Nov 8 at Target. Tracked across 3 stores since Nov 8.
With 4.8 out of 5 from 4,858 ratings, buyers treat this as a reliable staple. They like the large bag for cleaning and laundry and the plain, single-ingredient formula. Complaints center on the bag format and clumping once opened.
ARM & HAMMER Baking Soda is the essential, do-it-all staple that’s built for both everyday life and bigger jobs. This multi-purpose baking soda helps keep your home ready for anything—from brightening laundry and freshening carpets to scrubbing sinks and reducing tough odors without harsh chemicals. Its fine texture powers countless cleaning and DIY projects around the home. ARM & HAMMER Baking Soda is proudly made domestically. This versatile baking soda reflects a more conscious lifestyle, helping you cook, clean, create, and care for your home or business with a single trusted ingredient.











