①. Reason: Koi is very sensitive to the environment. If the environment is suddenly changed, it will adopt a self-protection mode. There is a whitening.
② Treatment method: First, it needs to be fished out of the fish tank and put back to the original environment. If the original environment cannot be found, it can be put in a water tank with good water quality. During this period, pay attention to the water temperature and avoid using feed containing pigments. Wait for it to slow down, and then put it into the new environment for maintenance, it should be noted that when putting it into the new environment, pour some of the water before maintenance in the new water tank.
< H3 > 2.① Reason: The reason for the serious fading of the koi is probably that the merchant fed the koi with feed containing pigments, which led to the bright color of the koi when it was bought, and it faded and turned white after a period of time.
② Treatment method: In the process of raising koi, it is not allowed to feed feed containing pigments, otherwise it will not only fade, but also lead to its death. Before buying, we should find a reputable and word-of-mouth shop, so that we can avoid buying pigment-fed koi.
< H3 > 3. Poor water quality① Reason: Poor water quality can easily cause the koi to get sick, and the koi will turn white after getting sick.
② Treatment method: First fish out the koi and put it into clean water, and put special disinfectant in the water, and wait for the koi to recover.
Usually feeding more colorful feed can prevent koi from fading. In addition, the PH value of the water quality can be adjusted to be between 7.2 and 7.4. This can also prevent the koi from fading.
