1. Stains: Terrazzo countertops are porous and susceptible to staining when exposed to acidic substances, such as citrus juices, red wine, and tomato sauce.

2. Scratches: Hard materials such as metal objects and utensils can scratch the surface of terrazzo countertops.

3. Heat: Terrazzo will not burn, however, it can become discolored or damaged by heat from hot pots or pans placed directly on its surface.

4. Moisture: Terrazzo countertops can be damaged by prolonged exposure to moisture or water. Over time, moisture can cause cracking, discoloration, and even mold.

5. Harsh Chemicals: Harsh chemicals, such as bleach and ammonia, can etch or damage the surface of terrazzo countertops. It is important to use non-abrasive cleaning products specifically designed for use with terrazzo.

6. Impact damage: Terrazzo can chip, crack or break when heavy objects are dropped on it or if it is hit in any way.