Click to expand Tap to zoom BI-Carb Soda by Borwicks Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% £1.79 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Also known as baking soda, it is a versatile ingredient used for leavening in baking, as a cleaning agent, and for various household purposes.