Sick dwarf puffer

ljse

AC Members
Oct 12, 2005
319
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I have a dwarf pufer and it appears to be healthy except for a pink spot on one of its sides. It behaves normally but i was wondering what the spot could be.
 
what are your levels for ammonia, nitrites, and nitrates? how often do you do water changes? do you have a heater for that tank?
 
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