Lye and Alkaline are the same substance and do not need to be modified. Alkaline water, also known as lye, or edible alkaline, is a compound food additive, a material used in the food process, and a traditional auxiliary ingredient commonly found in Cantonese-style pastries. Alkaline water is an alkaline mixture of potassium carbonate and sodium carbonate as the main ingredients, supplemented by carbonate or polymerized phosphate, which is functionally the same as wood ash alkaline, so it is also known as alkaline water.

Alkaline water and spout are the same substance and do not need to be modified. Lye water, also known as alkaline, or edible alkaline, is a compound food additive, is a material in the food process, the traditional auxiliary ingredients common to Cantonese confectionery. Alkaline water is potassium carbonate and sodium carbonate as the main ingredient, supplemented by carbonate or polymerized phosphate, formulated alkaline mixtures, functionally the same as the ash ash, so it is also known as alkaline water.