Gu Hanping and Gu Yunyang had discussed it and decided to prevent the villagers from going there.
The villagers and the educated youth were not a single group, making it difficult for them to fully integrate.
In addition, the educated youth all came from the city and brought some things from the city with them.
In addition to the educated youth from the Red Flag Brigade, except for Shi Junyao, most of them came from good families and brought a lot of wealth with them.
If it gets lost, the villagers won't be able to explain it.
And Shi Junyao also knows how to raise fish; it hasn't been that long.
They had already become somewhat wealthy again.
Therefore, Gu Yunyang and Gu Hanping discussed it and decided not to let the villagers go to the educated youth settlement to fetch water.
Of course, the well water that Gu Yunyang is currently digging is also warm in winter and cool in summer, no worse than the one at the educated youth settlement.
Gu Yunyang guessed that they had struck the same area of ​​groundwater.
When Gu Changzhu said it wasn't cold enough, Gu Yunyang laughed and said, "Want it to be cold? It's easy! I'll take care of it for you."
"What?" Gu Changzhu asked, somewhat puzzled.
Gu Changsong said, "Come on, Yunyang. I know the well in your yard is nice, but if you lower it now, it will take at least half an hour. It's getting late, and it won't be safe to go down the mountain then."
"Then we need to go down the mountain. Just wait. It's very simple."
Gu Yunyang remembered that he had bought some saltpeter before.
I originally planned to make popsicles, but since it's the busy farming season, I can provide some.
It can also generate revenue for the brigade.
They can't sell to other brigades; they're not allowed to do business there.
Gu Yunyang took out saltpeter and two basins, one large and one small, and instructed Gu Changsong to do something: "Go and fetch a bucket of water."
Well water is already cold, closer to zero, making it easier to make ice.
Although Gu Changsong was puzzled, his cousin was clever, and he believed him when his cousin said it was easy to do.
Although I don't know what he took out those things or what he was going to do with them.
He's starting to blindly follow others.
Gu Changzhu asked curiously, "What are you trying to do?"
"Making ice." Gu Yunyang smiled and prepared everything. Just then, Gu Changsong brought in the water.
Gu Yunyang then placed the saltpeter in the large basin below.
A small bowl was placed on top, filled with boiled and cooled water.
A group of people looked at Gu Yunyang with complete bewilderment, and then carefully poured the water that Gu Changsong had brought into the large basin.
Zhang Jianjun asked curiously, "Is this all you need? What is this thing?"
Saltpeter.
Gu Yunyang explained, "Saltpeter absorbs heat when it comes into contact with water. It's a method invented by ancient alchemists and Taoist priests. It's an ancient method of making ice, but it wasn't widely used. It's actually just a chemical reaction."
The Gu brothers were both taken aback. Zhang Jianjun slapped his forehead and said, "How could I forget? I heard the old folks in the compound mention it before. But you're so knowledgeable that you still remember it. But what are you buying saltpeter for? It's not a common thing."
"I was thinking of making popsicles during the busy farming season to generate income for the production team, but then I went on a business trip to Beijing and forgot about it."
Gu Yunyang laughed and offered an explanation.
Gu Changsong looked at Gu Yunyang with a hint of resentment and said, "Yunyang, if you had told me earlier, you could have taught me how to make popsicles. Then I wouldn't have had to work in the fields. You have no idea how exhausted I am during this busy farming season!"
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