2. Change the water frequently, just once a week in winter.
3. Putting a little salt in the water is the easiest way, and it can also prevent skin diseases in fish.
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1. Fish farming needs water first, and only good water quality is suitable for fish growth. Beginners of fish farming should not rush to buy fish after buying a fish tank. They should leave tap water for 7 to 10 days. During this period, they should drop some fish care drugs into the fish tank and then buy fish for stocking.
2. Pay attention to the choice of fish species when buying fish. Due to the different tastes and personalities of fish species, different fish species often bite each other if they are not properly selected, resulting in fish casualties. So fish with similar temperament should be kept together.
3. When feeding the fish, you must pay attention to reducing the feeding, once a day, and it is generally appropriate to eat it in 2-3 minutes according to the number of fish. Also pay attention to the density of fish culture and give fish enough living space. Fourth, what should I do if I am lazy to change water? If you find that the fish tank is turbid or has a lot of fish droppings, put in digestive bacteria, 10 minutes and then open the filter for one hour, the fish tank will be clean and the water quality will be better.
4. How to avoid hurting fish? The most sad thing about raising fish is the dead fish, but as long as you regularly sprinkle some special potions sold in the market into the fish tank, these potions can play a role in preventing and treating fish diseases. Pay attention to the water temperature when raising fish in winter. If it is a tropical fish, the water temperature is generally kept between 23℃ and 26℃. To heat the water in the fish tank, of course, you need to use a heating rod.