Electrician Wu's children were married and working in other places. During the winter holidays, he and his wife helped his son and daughter-in-law take care of their grandchildren.
After retirement, he had nothing to do, so he decided to find some fun and thought about raising fish for fun.
Therefore, he quickly bought a fish tank and equipment. Many of the equipment was bought from this shop. The price was moderate, not as cheap as online shopping, but old people like him were more willing to buy from a physical shop when the price difference was not too big.
It was his first time raising fish, so he didn't dare to raise fish that were too expensive. He was afraid that it would be a waste of money if they didn't live, so he bought a few cheap saltwater fish to practice. As for why he chose saltwater fish instead of freshwater fish, he heard from other old people who did morning exercises that the water had to be cooled first to raise freshwater fish, so it was better to raise saltwater fish directly. Anyway, they were close to the sea. It would be great to ride an electric tricycle to the beach to fetch a few buckets of seawater, and they would even save on the water bill.
When Electrician Wu heard this, he realized that it really made sense. His wife didn't really want him to raise fish, because she thought it was a waste of water and electricity. If he raised saltwater fish, she would be less nagging. Alright, let's raise saltwater fish!
It was still cold in Binhai City, and it wasn't warm indoors. The tropical saltwater fish he bought all needed a water temperature of at least 25 degrees Celsius, so a heating rod was essential. Even if his wife nagged about the electricity, there was nothing he could do.
At first, the fish farming went smoothly. He spent most of his time tinkering with his fish tank, and he never got tired of it. Other than his wife nagging about him not doing his job and leaving all the tasks of taking care of his grandchildren to her, everything was perfect.
Soon, the fish tank took shape.
Electrician Wu stood in front of the fish tank every day, looking at the fish tank that he had personally arranged with sand, live rocks, and corals. A few small fish of different colors swam around in the water. He was comforted and full of a sense of accomplishment.
His neighbors and former colleagues would occasionally drop by, and when they saw the fish tank, they were full of praises, saying that he was good at tinkering.
As time went by, his wife gradually stopped nagging. Sometimes, she even took the initiative to help him feed the fish.
The fish grew very fast.
Electrician Wu had been thinking about it for the past few days. It seemed like he had a talent for keeping fish. These ordinary small fish could no longer satisfy his appetite. Maybe it was time to get a few good fish, which would definitely attract more envious gazes from his neighbors and former colleagues.
When he had nothing to do during the day, he would ride his bicycle and go out. He would search the fish market and a few aquariums. He would compare the prices of different aquariums, hoping to find a high-quality saltwater fish that was worth the money.
However, in the past two days, the little fish seemed to be a little abnormal. They did not sleep during the day and at night. They were always jumping around in the fish tank, almost non-stop.
Electrician Wu was a little worried. He wondered if the fish were sick.
He felt that he was not good enough at raising fish, so he temporarily postponed his plan to introduce high-quality saltwater fish.
One day, he bought a book on common diseases of saltwater fish from the bookstore and brought it home. He ignored his wife's complaints and played with his grandson.
The little grandson was very well-behaved and good at his studies. He was usually very worry-free. He liked fish and liked to watch Electrician Wu raise fish. When he was fiddling with the fish tank, he never messed around and always watched quietly from the side. He even took on the task of changing the water in the fish tank.
Electrician Wu had always loved his grandson and treated him like the apple of his eye.
As he played, the little grandson suddenly pulled his arm and said mysteriously, "Grandpa, put your hand into the fish tank."
Electrician Wu was peeling an apple. He felt that it was not hygienic to put his hand into the water, so he laughed and said, "Why would I put my hand into the fish tank? Grandpa is using my hand to peel the apple for you. "
The little grandson looked like his carefully planned game had been seen through. He pulled his arm and said coquettishly, "Grandpa, put it out! Put it out! That's fun! "
Electrician Wu smiled happily. He did not have the heart to refuse, so he put down the half-peeled apple. Seeing that his wife was not paying attention, he quietly wiped his hand on his pants.
"Okay, okay, let's see what my baby grandson wants to play …" He smiled and stood up, reaching his hand into the water of the fish tank.
The moment his fingertips entered the water, a numb feeling spread through his whole body like an electric shock!
"Ah!"
He was so shocked that he quickly withdrew his hand.
He was too familiar with this feeling. It was an electric leakage! And judging from the degree of numbness, the intensity of the electric current was not small!
"Hehe!"
The little grandson's plan seemed to have succeeded. He clapped his hands happily and said, "Grandpa! Grandpa! Isn't it a mama? "
As he spoke, he stood on his tiptoes and wanted to put his hand into the water as well.
Electrician Wu grabbed his little hand. "Don't touch the water!"
His tone was probably not very good, and so was his expression. The little grandson stared at his face and could not help but feel a little scared.
"You damn old man, why are you scaring the child!" His wife was not satisfied. She reprimanded him with her hands on her hips, "Wandering around outside all day, not doing anything at home, and scaring the child when you get home. Don't you think you're regressing?"
Electrician Wu did not care about quarreling with his wife. He nervously grabbed his little grandson's hand.
He was so scared that his forehead was full of cold sweat. He said with a trembling voice, "Child, when did you find out that the water was numb?"
"Grandpa, my wrist hurts …" The little grandson felt wronged, and tears welled up in his eyes.
Electrician Wu relaxed his grip, but did not completely let go. "Tell grandpa, when did you find out?"
His wife noticed that something was wrong with him. Her heart skipped a beat, and she anxiously watched the conversation between the father and son.
The little grandson thought about it. "When I changed the water yesterday morning."
"The water yesterday morning was mama's?" Electrician Wu confirmed.
"It wasn't very numb … It was just a little numb … It wasn't as numb as today," the little grandson answered.
The three sentences conveyed the same meaning — the leakage today was more serious than yesterday.
Electrician Wu's heart was almost broken. If the little grandson did not ask him to put his hand into the water today, or if he was too busy peeling the apple and did not put his hand into the water, would the leakage be more serious tomorrow? When the child changed the water tomorrow, would it …
He did not dare to continue thinking about it.
He wanted to punch himself a few times. As a nationally certified electrician, when he saw the little fish running around in the fish tank, he did not think that it might be an electrical leakage, but he suspected that the little fish was sick?
Damn it, he had lived his life like a dog!
If something happened to his little grandson, his son and daughter-in-law would be heartbroken, and he would not have the face to continue living.
When his wife asked about the whole story, she was so scared that she almost fell to the ground. She hugged the little grandson in her arms, and complained with tears and snot that he should not have kept the fish, and that he almost killed his precious grandson!
Electrician Wu's heart was clear. This was not a problem with the fish at all. There was something in the fish tank that was leaking electricity.
As an electrician, he always had a multimeter at home.
He put the electric pen into the water in the fish tank, and the reading jumped to more than 70 volts.
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