of water environment 1. Reasons: changing too much water at one time, not avoiding the impact of goldfish on the skin of fish, low temperature of new water, large changes in water temperature in a period of time, fluctuation of water environment and other reasons will stimulate goldfish, make them uncomfortable, and lead to white scales.
2. Treatment method: Stabilize the water temperature and water quality, rest for a period of time and wait for it to come out. After that, one third of the water should be changed each time. When pouring the new water, the action should be gentle. It is better to let the water flow slowly along the wall of the tank to avoid the impact of the water on the body of the goldfish. The temperature of new water should be consistent with that of old water, and the temperature difference should not exceed 2 degrees.
1, reason: fish body injury, such as fishing, transportation process accidentally scratched the fish body, causing mold spores to seize the opportunity to enter, will make the fish white disease. This disease can cause white hairs on the scales of goldfish, and in severe cases, the scales will fall off.
2. Treatment: Sprinkle the fish tank with 250 grams of coarse salt and 250 grams of baking soda for several times. You can also put 0.3 grams of malachite green or 0.3 grams of methyl blue in 100 kilograms of water. Soak the goldfish for 10-20 minutes, and the mycelium will fall off after a few days. You can also mix two parts per million of potassium permanganate with one percent of salt water and soak the diseased fish for 20 to 30 minutes. Or you can also use light therapy, with a 15-watt ultraviolet light on goldfish for several hours, can also effectively eliminate Saprolegnia.
