we have total of
1x 7-8cm discus
1x 6cm discus
1x 5cm discus
and
1x 4cm discus (sick one)
we change 25% water every 2-3 days
I have put more salt in this morning, and just check it half hour before, the white line has gone.. but eye still the same..
it has the same eye problem with our 2 dead neons before, I googled everywhere, no such description on net, but our neon with the same glowing circle in the eye ball, both died with neon tetra disease, I am certain of the neon tetra disease as I search the description everywhere, and tried everything we could.