all you need is a worming pill that you worm cats and dogs bilbo 
it costs $1.25 per dose, one dose lasts a week 
will send the details later when i find the name of the drug 
u put the infected fish in a 2ft tank with heater and sponge filter 
and 1 pill crushed and then disolved then add to 2ft tnk 
leave the fish in there for a week 
if they are not getting better worm again 
i have lost a few b4 finding out why 
lots of money