1. White spot disease: use the white spot medicine mercurous nitrate, and put it in 80% of the dosage according to the instructions to ensure that African Phoenix FishMinimize damage.

2. Saprolegnia: It can be soaked with iodine-containing disinfectant, and antibacterial drugs such as clofloxacin and thiamphenicol can also be used to prevent bacterial infection.

3. Pulling white stool: Raise the water temperature to 30°C, use metronidazole, the ratio is 1 gram in 100L water, and the bottom bed needs to be cleaned and disinfected.