Metronidazole
Quality requirements matches: Eu Ph7
>99.9%
Synonym: 2-Methyl-5-nitroimidazole-1-ethanol
CAS Number: 443-48-1
Molecular Weight: 171.15
MDL number: MFCD00009750

Metronidazole is an effective and safe agent for the treatment of a number of protozoan and anaerobic bacterial diseases of fish (cryptocarion, hexamite, ichthyophthyriasis). It does not adversely affect the filter layer and is easily removed with charcoal.
The dosage is 125 mg/10 gallons.