1. Water parameters. (ammonia, nitrate, nitrite, PH, temp', Hardness etc)
no3 is 10mg/l
no2 is 01mg/l
general hardness is >16*d
KH is 6*d
pH is 6.4
water temp is 75*F
all this is exactly the same as three months ago
2. A full description of the fishes symptoms.
only one fish (at this time...