Size of tank in gallon or litres would be good, how many fish and which type.
And water stats in ammonia,nitrite,nitrate,and ph.
Is the patch bleached out or fluffy looking.
clown knife
black ghost knife
red tailed sharl
3 * silver sharks
2* clown loach
plec
cat fish
2* angels
nt sure about water levels at this present time but when checked the other week all was g8
will check my levels 2mo
It look overstocked to me you have some very big fish there.
I would get your water tested to see if the filter is coping with the stock of fish in there.
Whats the mouth look like as mouth fungus starts off as a bleached out white patch then can go fluffy.
it looks like a bleached mark. got some anti fungus and finrot treatment, by interpet, is that any good will it work? the knife if are due to change tanks shortly to a 200 gallon when it finnishes cycling only statred 2 days ago tho
Ok that fine as you are going to need that tank size.
Yes finrot med is ok as it is for columnaris, but if no improvement in a few days get back to the board as you might need to change meds, good luck.