Quote:
Originally Posted by
kusuma 
hi guys...
i have a problem...most of my fish with shiroji becoming yellow, specially in the head area...the head of my kohaku becoming yellow and also the cheek area...and my platinum ogon and matsuba also becoming yellow in the head area...
my question is :
- is it because of the water condition ?
- or is it because of lack of sun ??
all the fishes are behaving normally, eat normal, swim normal...it semms like they are healthy..
can you guys help me..
thank you