Thomas Labs Fish Zole Forte is for
use in aquariums and is antibacterial, antiparasitic, and antiprotozoal.
Metronidazole disrupts DNA in organisms, an action that is specific for
anaerobic bacteria and protozoa. Resistance is rare. Active against
some protozoa, including Giardia organisms.
Add one tablet (500mg) into
aquarium for each 20 gallons of water. Repeat in 24 hours. It is suggested
that a partial water change be made between treatments. While treatment
duration depends on the type and severity of infection, it is recommended
that extended baths in the medication continue for a minimum of 5 days and
for not more than 10 days. Discontinued treatment if no improvement is
noted within 5 days.