As I explained in my first post, none of the standard protozoan treatments work, I've tried them all. the parasite only succumbs to Sterazin at daily high doses. It then vanishes in 3-4 days.
Ammonia 0, nitrite 0, pH 7.5, don't know about nitrate. this is a long established planted set up several years old.
Here are some pics from the last lethal infection from a few years ago that killed half of my fish after failed attempts at treatment with 3 different whitespot cures. Then I...
Can anyone advise how to treat so called 'super spot'? Looks like white spot but the spots are bigger & it's more rapidly lethal, killing in a matter of days & the spots link together into squarish patches before the fish dies. It isn't Ichthyopthirius, & doesn't respond to white spot...
My planted set up has come down with a stubborn, apparently treatment resistant strain of whitespot. So far I've had a complete wipeout, waited a week & started restocking, & it's struck again over a week ago. It has so far resisted:
Protozin;
NT Labs whitespot treatment;
WS3;
Sterazin (which...