Chi Fei calculated that he already had nearly 300,000 words of manuscripts in his hands, which was enough to publish two volumes.

Chi Fei knows the importance of saving manuscripts, so he doesn't dare to stop writing for a day unless he has something to do.

Looking at the thick pile of manuscripts in his hand, Chi Fei felt very satisfied, and then he only needed to draw a few more sketches as usual.

This is more laborious than writing, because there is no physical reference, and you can only imagine the picture out of thin air, and then compose it, which is really troublesome.

Fortunately, he only needs to draw three pictures per book, and he even has the heart to die if he has more.

He stretched, then walked out into the courtyard and moved his somewhat stiff body.

When he came to the courtyard, he saw Zhang Xiao'e coming up from the well to wash clothes.

She is the happiest person about the well that comes with the yard, so that she doesn't have to go outside to buy water.

Seeing Chi Fei walking into the yard, she immediately greeted him: "Good morning, boss." ”

"Okay, what about the laundry?"

"Yes, is there something going on at home?"

"It's nothing, just sitting in the room for too long and coming out in the sun. You do your own thing, leave me alone. ”

"Oh." After getting along for more than half a month, Zhang Xiao'e also knew that Chi Fei was the kind of person who couldn't talk around the bend if he had something to say, so he continued to wash clothes and didn't care about him anymore.

After basking in the sun in the yard for a while, Chi Fei, who was idle and bored, watched Zhang Xiao'e wash clothes.

People in this era mainly used soap powder and bath beans to wash clothes and bathe.

Soap powder is to mash the soap horn, and then mix the plant ash (the plant ash contains potassium carbonate), and then grind it into powder for use, so it is called soap powder.

Bath beans are also called pancreas, the method is to wash the dirty blood of the pig pancreas, tear off the fat and grind it into a paste, and then add soybean flour, spices, etc. to mix evenly, and then make bath beans for washing after natural drying.

Bath beans can wash hair, face, bath, and clothes, and are the most versatile household essentials.

Of course, the production process is more complicated, and the material cost is also higher, bath beans are far more expensive than soap powder, so ordinary civilians use soap powder to wash clothes, and bath beans are generally only used for washing hair and bathing.

This is still the practice of ordinary people, and in some remote and poor places, people will use alkaline soil that is cheaper than soap powder to wash clothes.

The so-called alkaline soil is made of heavier alkaline soil mixed with plant ash. Although it also has a certain detergency power, because the soil itself is colored, the washed clothes will have a distinct earthy brown color.

For ordinary farmers, the clothes they work in the fields are dirty, so it doesn't matter if they change color the more they are washed. Only better clothes that are used to meet people will be washed with soap powder.

Of course, Zhang Xiao'e will not use alkaline earth to wash clothes, because these are all the clothes of the house, and she uses soap powder like everyone else.

She first made a basin of water and then sprinkled the appropriate amount of soap powder into the basin. When the soap powder is dissolved, put the clothes in the basin and rub and pat them back and forth, and finally rinse them off with clean water.

In the past, when Chi Fei was working as a guy in Dongsheng Rice Shop, he also washed his own clothes, and he knew very well that although this soap powder could wash clothes, he really didn't dare to compliment the detergency of the detergency, mainly because the alkali content was too little.

It's okay if it's just a regular wash, but if the clothes are really dirty, it's hard to wash them with soap powder.

Even if you wash it with more expensive bath beans, the effect is mediocre. The reason is still the same, the alkali content is too small.

Chi Fei looked at the water in Zhang Xiao'e's basin that was gradually turning black, and suddenly remembered something he used to want to do every time he did laundry.

That's what he wants to make soap.

…………………………

In many time-travelling texts, soap and glass are the things that are most often made by the main characters. It seems that any otaku who has no grains and no limbs can easily make these modern industrial products.

Is that really the case? Of course not.

Especially for things like glass, without professional equipment and people who have done it personally, they can't make it at all, and at most they can only make things like glass.

He had also checked the information on this matter before, and found that it was not simple.

Many people know that the raw material of glass is sand. But in fact, not all sand is fine, only quartz sand with higher purity can make transparent glass.

In addition to the raw materials, how to remove iron, how to control the temperature, how to form, how to anneal and quench, each process has a very high technical content. Where can a layman who doesn't know anything easily do it?

As for soap, Chi Fei really knows how to make it.

It's not that he has any Du Niang system in his head, and he can easily find out anything he wants.

It had something to do with his grandfather.

His grandfather was an old-fashioned man who never used a washing machine and laundry detergent for so many years.

He felt that the washing machine was not clean, and the laundry detergent had too many chemical ingredients that were not good for the human body, so he always insisted on using laundry soap to wash the clothes by hand.

Chi Fei has lived with him since he was a child, and he can only be forced to follow him to wash clothes with laundry soap.

This wash has been washed for more than ten years, which has caused a great psychological shadow on him.

After graduating and working, the first household appliance he bought was neither a refrigerator nor a computer, but a longed-for washing machine.

Tears were streaming down his cheeks when he first watched his dirty laundry tumble and turn in the washing machine.

Far from it, let's go back to the problem of hand washing.

Since almost every household in modern times uses washing machines and laundry detergents, fewer and fewer manufacturers are willing to produce laundry soap.

At that time, online shopping had not yet emerged, and they lived in a big city, so by the time Chi Fei was in high school, it was difficult to find laundry soap in the supermarket.

What should I do if I can't buy laundry soap and switch to laundry detergent?

Of course, my grandfather, who was as stubborn as a cow, would not give in, and he came up with the idea of making his own laundry soap.

As soon as the idea of homemade laundry soap came out, the old man, who had been idle for many years after retirement, began to act in a hurry like a chicken blood, and asked Chi Fei to help him.

The method of making homemade soap can be found on the Internet with a casual search, and the operation steps are not complicated.

Grandpa and Chi Fei bought all kinds of materials they needed to come back and try to make them.

After several failures, the grandparents finally managed to make a whole bucket of soap out of their home.

Looking at this bucket full of soap, Chi Fei's mood was very complicated, and in general, it was too difficult to be more than happy.

He thought that after not being able to buy laundry soap, the stubborn old man would one day agree to buy the washing machine back.

Now that my hopes are completely shattered, I will continue to wash my clothes by hand in the future.

Although this is not a good memory, Chi Fei now sees Zhang Xiao'e washing clothes, and suddenly feels that if he can make soap, maybe this is another good way to make money.

Although he has not been short of money since he wrote "Xianxia", who would be afraid of having more money?

As the saying goes, money doesn't make a bastard. If you have money to make but don't make it, you will be struck by lightning.

Well, I just decided happily.

Come on, Bikachu!