I have a tank size of 36*18*24. I do have one thermostat and water condition is good. However, when I buy an pair of discus the fins get shrink and the body start itching and they rub to the plants and the filtration then they die …..
1. Ich (White Spot) attacks your fish.
2. Aplly Methylene Blue solution plus salt.
3. Keep your water temperature at 30 degree C.
4. No feeding. No water changed for one week with the medicine.