Saprolegniasis is contagious. The cause of the disease, which occurs at low water temperatures, is Saprolegnia, a fungus that infects damaged tissue on the body surface and turns into a gray-white cotton-wool covering. But it does not mean that the fish will not be infected without injury, the bacteria can also invade the gill tissue, causing it to get sick or even die.
1, brine immersion: found that fish suffering from saprolegniasis, the simplest treatment method is to put it into brine immersion, generally with 3% concentration of brine for 5-10 minutes, if the effect is not good, you can use 1% brine and 2 ppm potassium permanganate solution mixed. Soak for 20-30 minutes.
2. Methylene blue: In addition to soaking in salt water, you can also use methylene blue with coarse salt and sterilizing water. Mix the three and pour them into the jar. Generally, it will be effective in 3-5 days. It should be noted that this method should change water once a day, half of it each time, and add medicine after changing water.
3, malachite green: malachite green is a toxic drug, all must be careful when used. Use 50 kilograms of water, add 0.3 grams of malachite green, then put the sick fish into it, soak for 10-20 minutes, and then wipe the white hair on the body in front of it, so that it falls off.
