Size of tank in gallons or litres?
How many fish and which type?
Water stats in ammonia, nitrite, nitrate, and ph.
The pink on the nose does it have any white edges, or a white centre?
Is the pink on the nose a patch, or looks like fluffy cotton wool?
Any signs of red streaking in fins, or body?
Do the fins have a pink, white, red, brown edging.