Bicarbonate of Soda. Bicarbonate of Soda, food grade but can be used for cleaning also. Price per kilogram. £5.23 Baking Ingredients: [Choose]Bicarbonate of Soda 500g (-£2.61)Bicarbonate of Soda 200g (-£4.19) Quantity: at £5.23 each Add To Basket 0 in your basket View Basket Checkout