Thanks again,
I will take a water sample to a local aquatic specialist to give me an acurate reading.
Sadly the fish with the damage died along with others.
Hi again
Sorry about water samples, I am working on that and will post asap.
Can I ask what lfs is that you advised me to take a water sample too?
I will do water changes as advised immediately, thanks.
With regard to the sores - this appeared on one of the lemon tetras and no other fish...
Tank size: 60 litre biorb
pH:?
ammonia:?
nitrite:?
nitrate:?
kH:?
gH:?
tank temp:?
I do check my levels but don't note them down and sorry for not having this info to hand.
Fish Symptoms (include full description including lesion, color, location, fish behavior):Fish appear to be fine and...