Home » Grocery & Gourmet Food » 1 lb Arm & Hammer Baking Soda $0.82 Grocery & Gourmet FoodAmazon -73% 1 lb Arm & Hammer Baking Soda $0.82 $0.82 $2.99 Get Deal 04/15/2021 0 Amazon has 1-Lb Arm & Hammer Baking Soda for $0.82. Shipping is free with Prime or on orders $25+. 1 lb Arm & Hammer Baking Soda $0.82 $0.82 $2.99 Get Deal