I mean how many grams of Potassium Permanganate per. liter water. Is there a chance of overdose? Or is it enough that the color of the water is just light purple?
PP is in crystal form.
Make PP solution with distil water.
Over-night treatment: The color of water in light purple.
Change water and repeat the treatment next day.
PP bath: Dark purple for an hour: When the fish shows stress, change water
or transfer the fish to another tank.