1, put the foam box. You can put ice powder and ice in a foam box and cover it with a thick quilt. Because the quilt is covered, it will not let the ice powder and the chill in the ice run away. The quilt can keep warm and keep out the cold. There was no refrigerator before, and that's how popsicles were sold.
2, insulation barrels. Making ice powder really requires a lot of ice cubes, and the household refrigerator can barely use it. Freeze large blocks of ice, then break them with a hammer and grind them into smoothies with an ice crusher. Then put it in a thermos bucket, usually 8 hours is no problem.
3. Choose dry ice or ice packs. It is more convenient to use dry ice or ice packs, but the cost is higher. You should choose according to your personal situation, but dry ice or ice bags can be placed directly in the incubator, and the effect is much better than ice.
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