It is generally safe to microwave fish more than once, but there are a few considerations to keep in mind to ensure food safety:
Proper storage: If you plan to reheat fish in the microwave multiple times, it's important to store it properly in between. Refrigerate the cooked fish promptly after the initial cooking and store it in an airtight container. Proper storage helps minimize the risk of bacterial growth.
Time and temperature: When reheating fish, it's essential to heat it thoroughly to kill any potential bacteria. Make sure the fish reaches an internal temperature of 165°F (74°C) throughout. Use a food thermometer to check the temperature.
Avoid excessive reheating: Reheating fish multiple times can cause it to become overcooked, dry, and less appetizing. It's best to reheat fish only when needed and avoid repeatedly reheating it if possible.
Odor and quality: Fish can have a strong odor, especially when reheated. Repeated reheating may intensify the smell. Consider using microwave-safe covers or wraps to help contain any odors and prevent them from permeating other foods in the microwave.
Freshness and quality: The quality and taste of fish may deteriorate with each reheating. It's ideal to consume freshly cooked fish for the best flavor and texture. If you have leftover fish, it's generally best to eat it within a day or two to maintain its quality.
Remember, proper food handling and storage practices are crucial to minimize the risk of foodborne illnesses. If you're uncertain about the safety or quality of reheated fish, it's advisable to use your judgment and discard it to ensure your well-being.