more black spot & pinkish thing

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Richard203

Plecostomus
MFK Member
Jan 19, 2016
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hi my jaridini started growing more black spot and two spot of pinkish thing under the jaw both side.



 
Hard to say why it has black spots but can try some prazipro. If it doesn’t get better with the med then it’s just a color change.
 
I heardd KORDON Methylene Blue can cure this, I was wondering the instruction didn't say should I dose it every day for 3-5days. any1 know if I dose this every day or wait 3-5 days?
 
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