I hope you can help! Thanks.
Tank size: 120 litres, planted, 3.5 months old
pH: 7.0
ammonia: 0
nitrite: 0
nitrate: <5
kH:
gH:
tank temp: 25C/77F
These were taken with a master test kit at the LFS.
Fish Symptoms (include full description including lesion, color, location, fish behavior)...