When you put strawberries into the freezer, you can't wash them with water, because water-soaked strawberries are easy to rot and spoil. At the same time, buy back the strawberry temperature is relatively high, and much higher than the temperature in the refrigerator, then it is not suitable for directly into the refrigerator to freeze, need to be placed in a dark and dry place to return to the temperature for about half an hour, and then put into the refrigerator freezer with a clean plastic box, want to eat when you get out of the wash to eat.
Take the strawberries out of the freezer inside, after the frozen strawberries to eat as soon as possible after the melting, can not be placed for too long, because the strawberry mold will quickly spread to cause other strawberries to rot quickly, so take out how much should be eaten as soon as possible to finish the best.
Yellow croaker has high requirements on water quality, including water transparency of 35cm, PH value of water body of 7-8.5, oxygen in water body and water temperature of 25-28¡æ.