White Spot Disease

Cause and Symptoms

The cause of this condition is Ichthyophithirius multifilis (ICH ) , a ciliated protozoan .
Bad water quality can increase the likelihood that your fish will be victim to this parasite.
Low water temperatures (< 25°C) are ideal breeding grounds for ICH.
The most common way Flower horns get ICH is when they are fed live or frozen food that has already been contaminated with the parasite.
The most prominent symptom of this condition are the pure white spots that will appear all over your fish. You may also notice the fins are clumped together, and they act a bit more lethargic than usual. Moreover, it's common for them to lose interest in food when ICH infects.
Treatment

The parasites resides under the skin of the fish, hence it is not affected by water treatment or direct treatment applied to the fish . Break the breeding cycle of Ich by washing the tank thoroughly to remove the cysts of the parasite. Keep in mind that this is a highly contagious condition, so your entire aquarium must be treated.

To cure white spots:

Place Kordon Ich inhibitor in your tank.
Add aquarium salt at 3g/l of water every 3 days together with the medication.
After 3rd day, tank must be washed thoroughly to eliminate the causative agent.
Add Kordon Malachite Green treatment to your tank.
Preventive measures:

Add Kordon Prevent Ich Fish Disease Inhibitor and Preventative to your tank.
Quarantine new fish for three to four weeks.
Avoid cross-tank contamination.