? The betta does not need a filter. Because fighting fish like to live in soft water with weak acidity, there are some rotten things in the fish tank that more truly restore the water quality of nature. However, the decay in the tank can only be a small amount, if the amount is large, it still needs to be cleaned up in time, otherwise it will pollute the water quality, leading to poor growth of fighting fish.
Secondly, fighting fish originally live in lakes, swamps, rice fields and other environments, so they like still water. Filtration can cause the water to flow too fast, making them highly stressed. Over time, they become stunted.
If you want to filter the betta, you can put a few snails or change the water frequently. The filter does not need to be installed.
the fish tank. First of all, most of the decorations on the market are plastic, which will pollute the water quality if they are put in the fish tank for a long time. And hard ornaments may scratch the body of the betta fish and cause infection. If you want to decorate, you can put some normal river sand in the fish tank, or you can raise some decorative aquatic plants, such as hornwort, pepper grass, centipede grass, etc. These aquatic plants can also play a great role in the production of female fish.