Sick fish

[curiousowl]

120g

Temp: 76
Ph: 7.2
Ammonia: .25
Nitrite: 0
Nitrate: 20

Some fish are restless, some are having trouble swimming. Most have stopped eating. Started developing white patches on their flanks. Streaking around gills and belly.

This all has happened suddenly, it started with the neon rainbow fish and now every fish is showing the same symptoms.

Platies / mollies / gouramis / rainbowfish

Any ideas?

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[Matt68005]

Flexibacteria columnaris infection
Use gram negative antibiotic such as kanamycin or maracy 2
10g Hospital tank? since yours is 120 gallons and meds would go very fast lol
or mix it in food, theres info online, google.