POOL/SPA Arm & Hammer Pure Baking Soda PreviousPool Filter Sand (NOT SHIPPABLE) NextArm & Hammer Pure Baking Soda (12 lb.) Arm & Hammer Pure Baking Soda Arm & Hammer Pure Baking Soda $7.95 Available size: 4 LB or 12 LB Sold Out Get notified by email when this product is in stock. Add To Cart Facebook0 Twitter