How to Clean a New Fish Tank: Hot Topics and Practical Guides on the Internet
Recently, pet raising and home life topics have become increasingly popular on social media, among which "new fish tank cleaning" has become the focus of novice aquarists. The following is a structured guide compiled based on hot topics across the Internet in the past 10 days to help you clean your new fish tank scientifically.
1. Statistics of hot topics in the past 10 days

| platform | Related topics | Number of discussions (times) |
|---|---|---|
| #Novice Fish Farming and Pitfall Guide# | 128,000 | |
| Douyin | Comparison of fish tank disinfection methods | 62,000 likes |
| Zhihu | Does a new fish tank need to be cleaned? | 3400+ answers |
2. The necessity of cleaning new fish tanks
According to the popular science video of aquarium expert @鱼苑老道 (viewed 980,000+):Harmful substances such as glass glue volatiles and industrial dust may remain on the surface of the new fish tank., direct use will cause stress reactions in fish. Data shows that the mortality rate of fish in new fish tanks that have not been cleaned for the first time is as high as 35%.
Three or four-step cleaning method (popular solution)
| steps | Operational points | Things to note |
|---|---|---|
| 1. Preliminary rinse | Rinse the inner wall with warm water 3 times | Dishwashing detergent is prohibited |
| 2. Disinfection | Soak in salt water (5%) for 24 hours | Or potassium permanganate solution (0.1%) |
| 3. Equipment cleaning | Descale filter/heating rod with white vinegar | Rinse residue thoroughly |
| 4. Maintaining an aquarium in trapped water | Run the filtration system with water for 48 hours | Check the pH value to meet the standard |
4. Answers to popular questions (from highly praised answers on Zhihu)
Q1: Can ultraviolet light be used for disinfection?
Recent Douyin evaluation data shows that 30W ultraviolet light can kill 99% of bacteria for 30 minutes, but please note:Need to rest for 2 hours after irradiationAvoid ozone residue.
Q2: How to determine the cleaning frequency?
The tracking experiment of Station B’s UP master@鱼 Tank Laboratory shows:The new tank needs to be thoroughly cleaned when used for the first time., and subsequent local cleaning can be done once a month.
5. Ranking of popular cleaning tools in 2023
| Tool type | Recommendation index | E-commerce platform monthly sales |
|---|---|---|
| Magnetic brush | ★★★★★ | 24,000+ |
| Algae scraper | ★★★★☆ | 17,000+ |
| Electric sand washer | ★★★☆☆ | 8000+ |
6. Expert advice (from premium Tieba posts)
1.Inspection after cleaning: Use a water quality testing pen (No. 3 best seller on Taobao) to ensure that the ammonia nitrogen content is ≤0.02mg/L
2.Establish a nitrification system: It is mentioned in the Weibo topic #开户水水# that nitrifying bacteria need to be added after cleaning (capsule type is recommended)
3.Temperature difference control: Kuaishou’s popular video emphasizes that the temperature difference of cleaning water should be <3°C to prevent glass from bursting.
With the above structured data and practical guidance, you can complete your new fish tank cleaning safely and efficiently. Remember to bookmark this article and share it with more aquarists!
check the details
check the details