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.
You can order fresh salmon by mail order or find it in your markets from June-September. Most fish is flash-frozen when caught to preserve its freshness and allow for shipping. Frozen salmon is good for up to four months, when properly frozen and thawed overnight in the refrigerator.Canned wild salmon is an excellent and economical choice. Look for BPA-free cans (Wild Planet has these) or better yet, pouches.ink and chum are smaller fish and most often used in canning or smoking and are good budget choices. Last, the most common fish you will find at the market, the species known as Atlantic salmon, is a farmed species. It has a rich, fatty taste but is not recommended by environmental groups (see Question #1). 6.