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i am having a bad case of internal infections go through one of my tanks.. have lost 6 fish so far from it. is there any way to stop it from spreading??? or is the only way to try to control it to remove any that look infected and take the dead ones out as soon as possible???

i would like to stop this.. it sucks seeing your beutiful fish dieing off... so far 2 c. sterbai and 4 green lasers gone to the fish bowl in the sky

Have you tested your water for the presence of ammonia?

Have you been keeping up regular maintenance?

Is this tank new?

Have you tried any meds at all?

Have you tested your water for the presence of ammonia?
-always check the levels once things are going wrong.. no amonia present..

Have you been keeping up regular maintenance?
-do water changes twice weekly.. and do regular gravel vacs too

Is this tank new?
-not a new tank.. been running for 2 years..

Have you tried any meds at all?
-cory's are one of the hardest fish to treat.. and have been looking for Metronidazole(recomended by Ian) but can't find it. and it may be too late anyways.. lost 7 of 8 of my green lasers.

this all happened when i added the sterbai to the tank.. i figure the 2 sterbai that died had the internal infections.. and passed it on to the green lasers. as i have heard green lasers are very sensitive to anything that goes wrong in then water.. they are usually the first to go when stuff goes wrong. the wried thing is the 7 c. panda's and the other 8 c. sterbai seem to be doing great with no symptoms at all like the green lasers have been having. very weird... chalk this one up to the lesson learned.. always quarintine new fish...