need help ASAP!!!

[Alexxxxsv14]

my oscar died of internal parasites today. but im still seeing clear white poo in my tank so i told that to my lfs and he gave me med for 5 days their like pills to kill all the bacteria. if only some of my fish have it will the med harm my other fish....??????

 

[justonemoretank]

No, it should not harm the other fish. However, keep testing your water, because it could harm your biological filter, leading to ammonia and nitrite spikes. Be prepared to do water changes.

 

[Alexxxxsv14]

No, it should not harm the other fish. However, keep testing your water, because it could harm your biological filter, leading to ammonia and nitrite spikes. Be prepared to do water changes.

thanx my lfs guy told me to do the med for 5 days and then after those days do water changes