fish medications

[purpleguppies]

I have three tanks of Discus. None show any signs/symptoms of any illness. Should I occasionally administer parasite/worm meds anyway as preventive measures.

[discuspaul]

If you got healthy, good quality stock from a reliable, responsible supplier, and they're behaving normally with good color, don't bother doing anything. Suggest that medications in this case should only be used if and when they're in fact needed.

[ProBreeders]

If you fish shows no signs of anything, i would do nothing other then normal water changes.

The only prevention I now take is using levamisol hcl in a quarantine tank for 24 hours before introducing anything new to my established aquariums. (eg. plants or new fish)