Chang’an Peasant Girl

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Seeing Jing Jing smiled and said that it was no longer hot at all, Xiao Changyi's mood naturally improved.

Then, he lay down, lying face to face with Jing.

Quietly smiled and looked at him for a while, before turning to the ice cubes in the bucket, "Xianggong, so much ice is expensive, right?"

"Meng Zhuqing said it cost three hundred taels."

Quietly sighed, "It's so expensive." She originally thought that she could buy it for dozens of taels. It seems that she underestimated the value of ice here.

However, it is no wonder that ice is so expensive here, after all, there is no electricity and refrigerator here.

And here is the ice chiseled in winter and stored in the ice cellar for summer use.

Immediately, An Jing became bitter: "This time it's only three hundred taels. I don't know when this hot weather will pass. If we use ice like this every day, it's really a waste of money."

It is also because the weather is too hot that the business of Qianwei Restaurant is not very good now. She really cares about the money. The money she earns from Qianwei Restaurant will be used to open a lot of rice shops to store grain, not to use it. On top of buying ice.

And she is pregnant, she can endure the hot weather, but she is afraid that the heat will damage the two little guys in her belly.

Therefore, even if she felt that it was a waste of money, she still had to buy it.

Xiao Changyi said: "Our family is not short of money."

Quiet still had a bitter face: "Our family is indeed not short of money, but I still think it's a waste."

"Then what do you want?"

An Jing immediately withered: "I don't know if we can make ice by ourselves, then we don't have to spend money to buy ice, and I don't--" It would feel like a waste.

Before she could finish her quiet words, her eyes suddenly lit up and she exclaimed, "Making ice?!"

Xiao Changyi was taken aback by her and asked anxiously, "What's wrong?"

"Making ice, Mr. Xianggong!" Jing was so excited. In her high school chemistry class, she learned that when saltpeter dissolves in water, it absorbs heat, and the temperature drops, which can make the water freeze.

And here is the saltpeter!

Xiao Changyi was happy when he saw that Jingjing was not because of something wrong with his body, but was happy. He let go of his heart and asked calmly, "Do you know how to make ice?"

He knew that her original world was much more advanced than their current world, so he was really not surprised that she knew how to make ice.

What's more, after the previous incidents of Daohuayu, Gulong, Baizhi, etc., he has become very accustomed to this "amazing move" by his daughter-in-law.

"Well, I didn't remember it just now, but now I remember it." An Jing was still very excited and cheerful. "Xianggong, saltpeter will absorb heat when placed in water. We can use this to make ice."

Xiao Changyi knew that Jingjing's words were not finished yet, so he quietly listened to Jingjing's words.

Sure enough, An Jing continued: "When the time comes, we will take a large basin, put the saltpeter in the big basin, fill the big basin with water, then take a small basin and put it in the big basin, and fill the small basin with water. That way, Not only will the water in the big basin freeze because of the heat absorbed by the saltpeter, but the water in the small basin will also freeze. Moreover, the ice in the small basin is still edible.”

The ice in the large basin was contaminated with saltpeter and could not be eaten, but the small basin was not contaminated. If the small basin was filled with clean water at the beginning, the ice formed in it would really be edible.

"At that time, if we want to eat ice, we will eat the ice in the small bowl, and the ice in the big bowl will melt slowly. As it is now, not only will we not be able to heat it, but we will also save money."