Do Things Defrost Quicker In Water. According to healthline, raw meat can only be placed back in the freezer if it did not spend more than an hour in 90°f air and as long as it “was not left out of the refrigerator for more than two hours.”. When you put frozen food in hot water, heat flows into that food faster than it would from cold water because the temperature difference is larger.

When you put frozen food in hot water, heat flows into that food faster than it would from cold water because the temperature difference is larger. But there are precautions to. That’s because the rate of heat flow between two objects always increases as the temperature difference between them increases.