guppy's white spot may be caused by white spot disease, and most of the causes of white spot disease are too low water temperature or too large temperature difference. Guppies are tropical fish and like higher water temperature. When the water temperature in which they live is lower than 23 ℃, small melon worms are easy to breed and reproduce in large numbers, resulting in white spot disease. When guppy suffers from white spot disease, there will be more small white spots on fins and body. Their facial expressions will also become dull and their activity will decrease. In the early stage of illness, they also rub their bodies with fish tank walls or Stone to relieve itching. When the later period is more serious, their whole body will be covered with white spots, and they will stop eating and moving.

1. Temperature rise: After guppy suffers from white spot disease, the breeder needs to raise the water temperature to 28 ℃ immediately. Because the small melon worm can't grow in a high temperature environment, as long as the breeder raises the water temperature to 28 ℃ first, the growth of the small melon worm bacteria can be inhibited. Moreover, high temperature can also improve the metabolism of guppies and speed up their recovery.

2. Medicated bath: Breeders should also use Baidianjing to give them medicated bath, and it is best to decide the dosage according to their illness. Take a medicated bath once a day for 15-20 minutes each time for one week, and the white spot disease can be cured.

3. Keep the environment stable: During treatment, breeders should also ensure that their living environment is stable and avoid other discomfort. Stop feeding, and try to feed after they recover.