Outside Li Yuan's Taiji Palace, a huge pot was burning. The flames were burning fiercely, but what was strange was that there was nothing inside the pot except water!
"Little Mu 'er, what are you trying to do?”
Li Yuan looked at Li Mu in confusion and asked curiously.
Just now, Li Mu suddenly ran over and told him that he wanted to build a palace for him, a palace that was exactly the same as the imperial palace. This made Li Yuan extremely puzzled.
You little brat, what can you do? You don't have a single cent and you want to build another palace!
However, Li Yuan was still very happy. After all, it was a good thing that his grandson was filial and thought of him.
However, now that Li Mu had gotten someone to make a big pot and cook it, Li Yuan was extremely confused. If you want to build a palace for yourself, why did you cook a pot?
"Yes, it's about making money. With money, you can build the imperial palace for your grandfather. At that time, you can go wherever you want!”
Li Mu said naturally.
Hearing Li Mu's words, Li Yuan didn't know whether to laugh or cry. What kind of money are you trying to make? You made a big pot. Don't tell me you can cook money.
"Mu 'er, could it be that you can cook money by boiling a pot of water?”
Li Yuan asked Li Mu helplessly.
"Ang, I'm not boiling water. Royal Grandfather, didn't you see that I put a lot of salt in it?”
As Li Mu spoke, he picked up a few palm-sized salt blocks and threw them into the pot. He kept stirring them with a big spoon.
"Ahem, okay then. Can you cook money by boiling salt?”
Li Yuan was even more helpless. What was the difference between boiling water and boiling salt? Li Yuan couldn't think of any way to earn money.
"Sigh!" Compared to Li Yuan's helplessness, Li Mu was also very helpless. If it wasn't for the fact that he couldn't do anything in his bedroom, he wouldn't have come to Li Yuan's place at all. He was constantly being questioned. Who the f * ck could stand this!
" Grandfather, I'm making salt. When I make refined salt, I can sell it for a lot of money. When I have money, I can even build Chang 'an City for you, let alone a palace!”
"Hahahaha, build another Chang 'an Fortress! Hahahaha!" When Li Yuan heard this, he couldn't help but laugh. At this moment, he didn't dampen Li Mu's enthusiasm. Instead, he patted Li Mu's head and said with a smile.
"Then Mu 'er, you can see for yourself. I'll wait for your Chang' an City!”
Li Yuan didn't think about whether Li Mu could really build Chang 'an Fortress. At least he had the heart to do so now. Li Yuan was very satisfied.
As for salt production, if the child wanted to mess around, let him do it. It was not a problem anyway!
"Alright!"
Li Mu nodded. Naturally, he knew that Li Yuan did not believe him. However, he did not say anything more. Instead, he threw in a few pieces of salt and let it stir fully.
It was not until all the salt had disappeared that Li Mu asked someone to lift the pot.
There was a huge problem with the salt of the Great Tang, which was that there were many impurities. Even the salt in the Imperial Palace was of various colors and in large chunks. One could imagine how terrifying the salt used by the people outside was.
Some commoners couldn't afford salt and could only use vinegar cloth. When cooking, they just needed to dip the vinegar cloth in it to make it taste good!
After all, humans had to replenish their salt to survive!
For Li Mu, it was still very simple to make salt. After all, the salt here had been refined. He only needed to further process it!
The first step was to fully dissolve the salt in the water, then filter it. After many times of filtering, it would be directly dried and refined.
Li Mu asked someone to guide the water into a special bathtub.
It was said to be specially made, but in fact, it was just a few pieces of thick and thin cloth sandwiched in the middle of the bathtub. Then, it was covered with a layer of charcoal, a layer of sand, and some plant ash.
This was the simplest filtering system. The combination of charcoal, sand, and plant ash could filter out a lot of impurities. Although it couldn't filter out 100% of the impurities in the salt after repeating it a few times, it was almost done!
After pouring the water into the pot, it took about ten minutes for all the water to flow to the bottom. Li Mu repeatedly asked someone to filter it several times before pouring it back into the pot and starting to boil it.
This made Li Yuan even more puzzled. However, he only smiled. If a child liked to cause trouble, then let him do it. Anyway, he was bored all day. It would be even better if he had a companion now!
However, as time passed and the fire burned, the water in the pot gradually dried up, and layers of white particles gradually appeared.
In an instant, Li Yuan's eyes widened as he looked at the incomparably white particles with a shocked expression.
"Is this salt?"
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