Compared across 7 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.
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A bulk 18 lb tub of Arm & Hammer powder laundry detergent, rated for about 290 loads, with baking soda to help lift dirt and a free-and-clear formula for sensitive skin. It works in high-efficiency machines and suits white and colored fabrics. The best new price is $39.99 at Amazon as of November 7, 2026, roughly 14 cents per load.
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Lowest price we've seen: $31.95 on Nov 8 at Cleaner's Supply. Tracked across 7 stores since Nov 8.
Owners of bulk powder detergents like this one tend to value the low cost per load and the fragrance-free formula for sensitive skin. Common complaints center on powder clumping in cold washes and the large tub being awkward to store.
