1, potassium permanganate: The most antiseptic that raises ornamental fish to use is potassium permanganate. This is the mainstream disinfectant in the past, which has a good killing effect on many kinds of bacteria and fungi. However, it requires a very high concentration, especially when disinfecting fish, it is easy to cause phytotoxicity if it is not well controlled, and it is not commonly used at present.
2. Povidone iodine: Povidone iodine is also a disinfectant. Its effect is similar to that of potassium permanganate. It requires strict concentration. Besides soaking fish, it can also be applied to the rotten part of fish, which also has a good therapeutic effect.
3. Chlorine dioxide: Chlorine dioxide is the mainstream disinfectant at present. Compared with the above two drugs, it not only has less dosage, but also has better effect. It can kill more bacteria and fungi, and its toxic effect on fish is relatively low. Usually, when in use, the filter air pump needs to be turned off. Should fish
Fish farming does not need to be sterilized every day. Sterilization has both advantages and disadvantages, although it can eliminate harmful bacteria, but beneficial bacteria will not be spared, of which the most important beneficial bacteria in fish tanks are nitrifying bacteria. Once a large number of nitrifying bacteria die and the nitrification system is destroyed, the water quality is difficult to maintain, so it is not a special case, there is no need to sterilize the fish, which is not very helpful.
