Hello all - I could use some advice please :)
Tank size: 340l (4 ft)
pH: 7.4-7.6
ammonia:0
nitrite: 0
nitrate: 60-80
Hardness: soft, I think 110ppm?
tank temp: 27c
Fish Symptoms (include full description including lesion, color, location, fish behavior):
Two angelfish with clamped fins...