Need Help

[Miah123]

It all started off as ick ... so i raised the temperature up, now it like some off the fish have fin rot, everyday for the past week one or two fish would die some with no problem what so ever, all active fish then they all would stay at the bottom not swimming for days before they death

Tank 600 litres

Death so far:
Pictus catfish
silver dollar
platy
pearl cichild x 3
black ghost knifefish

 

[Aquanero]

Can you post your water perameters, ammonia, nitrite, nitrate, Ph and hardness if available. A clear picture would also be helpful. I s raising the temp all you've done so far?