How to treat betta white spot disease? Koi fish and Betta got white spot disease together, and they soaked in salt water together. Now koi fish is good at fighting fish, not. Why?

1. Betta and koi fish are not suitable in themselves. Betta likes quiet environment, still water and diving, while koi fish is almost the opposite. Therefore, sinus almost lives in fear, and it is natural that the disease is difficult to treat.

2. Salt water doesn't work well. You can go to the fish shop to buy Baibaijing, which is a specific medicine. Use according to the instructions, and then change the water when you are well.