Zebrafish Observation Diary 8

Friday, March 11, 2022

Weather: sunny

Situation:

The miniature little crab was still floating in a box on the surface of the water, most of the water in the box had seeped in from the aquarium and the water condition was poor and murky. As the water occupied roughly two-thirds of the box, the little crab crawled on top of the blue sponge.

Three of the sprouts from the bowl lily seeds had grown tall, one to 11 cm, another to 7 cm, and a shorter one had grown to three cm. 

I found an interesting fact: when I sowed the bowl lily seeds at random, I didn't pay much attention to them, but all three sprouted almost in a single line in front of the tree house, although the shorter one grew a little crooked. I bought a total of five seeds, and except for these three seeds that sprouted, the other two seeds still lay lonely under the water with little change.

The zebrafish and crabs were in good condition, and as usual I teased two crabs with the oxygen pump, and one of them was sucked up into mid-air by the constant stream of oxygen, "Ah!" I let out a small scream. The other crab was chased by my portable air pump, and as soon as I got close to it, it would fire up and crawl away. Finally, I picked up the tube of the pump and touched its body with the air stone, and it retracted both of its eyes.



I was going to change the water, but because I was worried that changing the water would lead to the death of the fish, I purposely went to the search to check some information how to change water, and one tip was: "Don't change more than 20% of the water in a single change, and don't use fresh tap water. In winter, the water is cold, before changing the water, remember to use a heating rod to warm up the water in the tank. After the water change, the heating rod in the trapped tank can be turned off." 

I was alarmed to find that I didn't have tap water that had been left to stand for two or three days, but the water quality condition of the tank was terrible, there was a lot of food residue, zebrafish and crab excrement at the bottom of the tank, if I used tap water directly there was a great possibility that it would lead to tank poisoning, after carefully thinking about all the circumstances, in order to ensure the overall environment of the aquarium was constant and the safety, I decided to wait for the time being, I decided to use a basin of tap water, let it sit for two days, and then come back on Monday to change the water.

I'm a lazy person and I've put off changing the water until next Monday.





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