1.4 Maple Syrup Density Measurement. 1.4.1 Background; 1.4.2 Hydrometers; 1.4.3 Hydrotherms; 1.4.4 Refractometers . 1.4.4.1 Optical Refractometers; 1.4.4.2 Digital Refractometers; 1.4.5 Temperature Correction; 1.4.6 Instrument Calibration . 1.4.6.1 Hydrometers; 1.4.6.2 Thermometers; 1.4.6.3 Refractometers; 1.4.7 Collecting a Representative Sample
Because of this distinction, you may safely use fish even after the sell by date has lapsed. If there is a use-buy date on fresh fish, then it is recommended to either cook or freeze the fish by that date. Commercially frozen fish, if kept frozen, can be safely stored for 10-12 months.
Asker's rating. Report Abuse. As long as they are refrigerated, they are good for six months after the sell by date. Eggs are like milk, it they are bad, they smell bad. Also, the USDA puts stricter regulations that necessary because there are still idiots out there eating raw cookie dough and undercooked eggs. If they don't smell bad, they're ok....just cook them thoroughly.