How to Use API Super Ick

If your aquarium fish start sporting white spots, you may need Super Ick.
If your aquarium fish start sporting white spots, you may need Super Ick. (Image: session aquarium 2 image by Anthony CALVO from

If your aquarium fish start acting lethargic, breathing heavily and look as though they were sprinkled with salt, they may have a parasite. A parasite on even one fish means you need to treat the entire tank, because the other fish have already been exposed and may be sick, even though they have no visible symptoms. Super Ick is a medication used to control external parasites in both freshwater and saltwater aquariums. It works to control ich, velvet, trichodina and chilodonella.

Things You'll Need

  • Super Ick
  • Teaspoon

Remove the activated carbon from your aquarium’s filtration system, if it has any. The carbon will remove the medication from the water, counteracting its effect.

Raise the temperature of the water to 82 degrees Fahrenheit. This temperature will increase the life cycle of the parasite, which will cause the medication to work more quickly.

Add 1 tsp. of Super Ick for every 5 gallons of water in the aquarium.

Repeat the dose after 48 hours. Wait another 48 hours and repeat again.

Perform a 25 percent water change using non-chlorinated water.

Install a new supply of activated carbon. Watch the fish for 48 hours for any signs of ich, velvet or other parasites, and repeat the medication process if needed.

Tips & Warnings

  • Signs of ich include tiny white dots on the fish or fish that rub against gravel and other aquarium objects.
  • Signs of velvet include yellow dust on the fish.
  • Other external parasites cannot be seen with the naked eye. Signs your fish might have a parasite include lethargy and labored breathing.
  • If your aquarium contains scaleless fish, use a half dose. The malachite green in the medication can harm these fish in high doses.
  • API Super Ick will turn your water blue. The medication can stain silicone sealers and ornaments or décor in your tank. The medication will also stain hands or clothing if you spill it.

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