How long can canned lobster sauce tilapia be preserved after opening?

If it is winter, it can't be kept in the refrigerator for more than 2 weeks, otherwise it is easy to produce bacteria and deteriorate;

If it is summer, it can't be kept in the refrigerator for more than 5 days, which is also microbial deterioration.

In addition, nitrite in fish will react with oxygen in the air for a long time to generate sodium nitrate, which is harmful to human body. Depending on the temperature of the refrigerator, the number of days will be slightly different.