1, the appearance is different. Take a piece of tofu and investigate it directly under scattered light. Stone mill tofu is even milky white and shiny. Electric mill is much whiter than traditional stone mill tofu, and it is very dull. There may also be waterlines, bubbles, fine particles, etc.

2. The elasticity is different. Stone mill tofu can feel some elasticity when pressed by hand, and its hardness is moderate. The elasticity of electric mill tofu is not as good as that of stone mill tofu.

3. The taste is different. Smell directly at room temperature. Stone mill tofu is made of soybeans and has the fragrance of soybeans. The taste of electric-ground tofu and soybeans is very weak.