No, separation will cause more problems, especially in the absence of an established hospital tank.Thnk u so much for reply....
Yes I did 2 50% water changes within 1 n a half day period..temp is 30c....water is well aerated....
Do u suggest me to shift the individual fish to a smaller bucket to treat it separately and treat the aquarium separately?
Are you able to ascertain if the source water has nitrates and/ or ammonia? Is it from run-off well water or a treatment plant?