Metronidazole "Fish Zole"

Water parameters are as follows:

Ammonia= 0
NitrIte= 0
NitrAte= 5
pH= 7.2-7.4
Kh= 13
Gh= 20
Temp= 78-80 (this is a bit higher than usual, usually it's 76-78)

Tank has been established for around 3 months. I originally started with 6 tiger barbs, 2 of each color variety. They seemed fine except for one or two with recurrent swim bladder issues I could never correct. That seems to have gone away now. About 3 weeks ago I added the remaining 6 barbs after a 2 week quarantine period. Two weeks ago I had the first barb die, the next week the second one, and now I've got another that looks to be on it's way. All the barbs are probably 1.5" or under, a couple might be pushing 2". The ones that have died so far and this newest ailing one are on the smaller side. Some of the larger ones get to chasing the others but there hasn't been any full blown picking on in the group. At first I thought it was psychological but I'm not so sure now.
 
Well if that's the case I doubt I'll have those issues much longer at this rate. :)

Either way...I'm not convinced space is the issue either....what with not eating, the previous swim bladder issues, the wasting and the flashing...
 
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This is true. I agree. Even with quarantining the others that died there was no improvement. They'd just kind of start sitting on the bottom, swimming erractically from time to time and die shortly thereafter. But it's possible it's just a social thing or something seeing as how it's been the smaller ones that have died so far.

Anyone else agree/disagree with the stocking rate here?
 
Anyone know if Pimafix can be mixed with Metronidazole?
 
I would not mix meds unless it is specifically stated that you can.

there is always a risk of problems when you mix chemicals. they can sometimes contradict the med.

I would use the metro run the suggested course .
 
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