Med Trio

[Lee Friedmann]

I placed rummy nose tetras and Sterbai Corey into my 20 gallon quarantine tank on Saturday afternoon.

On Sunday I add the med trio to the tank.  I woke up this morning and I had 11 dead rummy nose.

Amonia, nitrite and nitrates are zero.

Could the meds cause the die off,  I pored the powder meds directly into the tank.  Should I have mixed in water first and then add?

[Frank]

28 minutes ago, Lee Friedmann said:

I placed rummy nose tetras and Sterbai Corey into my 20 gallon quarantine tank on Saturday afternoon.

On Sunday I add the med trio to the tank.  I woke up this morning and I had 11 dead rummy nose.

Amonia, nitrite and nitrates are zero.

Could the meds cause the die off,  I pored the powder meds directly into the tank.  Should I have mixed in water first and then add?

I'm currently adding the Maracyn. The first day, my fish thought that the powder was food. I didn't have any deaths, but I'm going to dissolve it first, from now on.

Edited February 8, 2021 by Frank

[FriendlyLoach]

I have never had the trio kill off fish, I think it was something else, like a disease that was already taken hold, or something else. 

[Daniel]

1 hour ago, Lee Friedmann said:

Could the meds cause the die off,  I pored the powder meds directly into the tank.  Should I have mixed in water first and then add?

Med Trio didn't cause the die-off. See this post @Brandy made the first week of the forum:

This can happen for a lot a reasons even to our generous host: