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.
General guidelines for shelf life beyond sell-by dates: 1  Eggs usually are good for three to five weeks past the sell-by date. 2  Milk typically is good for up to seven days past the sell-by date.3  Fresh chicken and turkey should be cooked or frozen within two days after the date.eneral guidelines for shelf life beyond sell-by dates: 1  Eggs usually are good for three to five weeks past the sell-by date. 2  Milk typically is good for up to seven days past the sell-by date.