mela fix has natural ingrediants and works fast...if u want all natural isolation with a salt bath everyother day and temp at or above 79 some platys love above 85 wat kind do u have? ich has a 24- 48 hour cycle so when it falls off clean it up and give a nice salt bath and keep the temp between 79 and 85 preferably 79 if u dont know wat kind of platy it is....oh and NOT TABLE SALT USE AQUARIUM SALT...remeber a fish is a fish not a human!...have fun treating