This may seem lengthy, I got it from a website, I used this method and it worked fine.
http://www.****************/information/recommended_treatment.htm#top2
#1. Clean Your Fish's Home. Click on the underlined items in the list below for more details.
#2. Clean the Gravel. Fish Bowls should have a layer of gravel about 1/4 inch thick, but aquariums with an external power filter with a BIO-Wheel do not need gravel. In an aquarium with a BIO-Wheel the gravel is just ornamental. The fish don't need the gravel. If you do have gravel, make sure it's at most 1/4 inch thick. Click on one of the underlined items listed below to read more about how to clean gravel
#3. Change Some Water. Remove and replace some of the water in your fish's home. Click on the underlined items in the list below for the details. Repeat water changes every day until the fish are no longer showing Sign of Stress or Disease. Remember don't change more than 20% of the water in one day. Click here for more information on measuring and calculating the volume of your aquarium.
#4. Add Quick Cure. The dosage on the package is 1 drop of Quick Cure for each gallon of aquarium water or 1 drop per two gallons for Tetra Fish. Elsewhere we've read advice to use only a half dose on delicate fish such as Clown Loaches and Elephant Noses, but we've found it's safe to use a full dose on these fish. Your results may vary. Repeat adding Quick Cure once every day until the Signs of Stress and Disease are gone
#5. Add Aquarium Salt. The dose recommended on the package label is one Tablespoon of Aquarium Salt per five gallons of aquarium water. So, for example, a 10-gallon aquarium gets 2 Tablespoons of Aquarium Salt. Do not repeat the salt and do not use iodized table salt. Aquarium Salt is available in many stores including Wal-Mart. Click here for more information on measuring and calculating the volume of your aquarium
#6. Increase the Temperature of the water. If the fish you're treating are in a warm water aquarium with an aquarium heater, carefully increase the temperature of the water by 4 degrees to a maximum of 82 degrees F. Click here for information on how to adjust your heater.
I also added added super ich plus and learned the hard way that it discolors any decor it touches.
Good Luck !!