pH 7.2
Nitrates 20
Nitrites 0
Ammonia 0
Temp 78°
Tank is fully cycled with 1 pleco, 1 large snail, 1 baby tiny snail, 1 ghost shrimp, 2 zebra danios, 10 black phantom tetras
Some of these tetras have had this for a long time.
I don't know what it is? Why are there white tips on their fins...