they had cloudy eye, on and off, and seemed to be mending from HLLE.
an aggressive W/C resulted in fast deterioration. aggressive in that 50 of the gallons weren't aged and temp was cold. i underestimated the effect on the display tank. the next AM they looked like bubble eye goldfish
moved them to q tank
as all symptoms point to bacteria infection
i treated with kanaplex 2x dose for several hours, then 100% w/c then normal dose for 5 days, and i saw a bit of improvement day 1 and 2, but then none.
i then switched to metro, then on day 3 of metro, this one died
i've been treating the water instead of the food so i knew what the dosage was, in food its crap shoot what they eat.