Ginger is by far the best way cure ich i bought a red sea sailfin starded noticing white spot on him started using ginger and he was pretty spotted up i also managed to catch him and freshwater dip him that really helped he got his color back n really seemed a little relived after the bath let's not confuse ginger with garlic ginger is used on humans to treat parasites internaly it also slime coats way more than garlic non visable in the tank but if you put your hand in the tank n wipe it with paper towel it almost looks tanning cream harmless to corals my pink cats paw actually brightens up a little when i put it in the tank ginger is your best option pass it on first time on the site hope this helps