How to Quarantine Discus Fish

How to Quarantine Discus Fish

The quarantine your new discus procedure is the most crucial step in maintaining your healthy discus, as it reduces the risk of introducing disease into your main aquarium.

I remember when I was very young, my first time getting discus fry, I was very excited to see them playing in my aquarium. I knew that I had to wait a few weeks before adding them to my main display aquarium.

Unfortunately, my excitement turned into pure horror when, a couple of weeks after I added them to my main aquarium, they started to get sick and die. It was heartbreaking to see them suffer, and I vowed never to make that mistake again.

So, if you’re like me and want to do everything possible to save your healthy discus fry, in this guide, I’ll show you how to quarantine your new discus properly.

First Scenario – Purchase of New Discus Fish

When you purchase new discus fish, you don’t really know what kind of environment they were kept in before.

It’s important to assume that the new discus fish were living in less-than-ideal conditions and take the necessary steps to protect your existing fish stock.

To avoid this, you need to introduce them slowly and don’t ever rush as this could cost you your entire fish stock.

The Standard Quarantine Procedures Step by Step

  1. When you get a new fish, put it in a separate small tank
  2. Fill the fish tank with water from your main aquarium
  3. Ensure that the quarantine tank has adequate filtration and heating systems
  4. Maintain the same temperature and water quality as your own tank
  5. Keep them in the quarantine tank for at least three weeks
  6. Maintain clean tank water and do regular water changes, just as you would for your main aquarium
  7. Keep a close eye on your fish
  8. Make sure they’re eating and behaving normally
  9. After the three weeks are up, scoop them up in a net and throw them into your main tank

Second Scenario -Treating Sick Fish

When a disease or a parasite outbreak occurs in your discus fry tank, you need to take immediate action to prevent the spread of the illness.

The best way to do this is to remove the ill fish and put them in a separate quarantine tank. This will give you time to treat the ill fish without worrying about infecting the rest of your fish population.

Some Tips to Set up a Quarantine Tank for Sick Fish

  1. Remove the ill fish from your main tank and put them in a small quarantine tank
  2. You should use the same equipment and setup as your main tank
  3. Do at least a 30% water change every day, or even more if necessary
  4. Keep the sick discus in quarantine for at least 6 weeks
  5. Add 1-2 tablespoons of aquarium salt per 10 gallons of water
  6. If you notice any infection or fungus, Increase the salt to 1 tablespoon per gallon of water. Also, you can use Plus Furan 2 until the problem clears up
  7. In case you notice tapeworms, treat the fish with deworming tape (Praziquantel)
  8. To eliminate the remaining worms, feed the fish Panacur-containing gel food for a week after they start eating again
  9. To get rid of the internal protozoans and external parasites, use Formalin, Fluke tabs, Clout, or potassium permanganate


How Long Should I Keep My Discus Fish in Quarantine?

You should keep your discus fry in quarantine for at least three weeks. However, if you notice any signs of disease or parasites, you should extend the quarantine period to six weeks.

What Is the Best Way to Treat a Sick Discus Fish?

The best way to treat a sick discus fry is to remove them from your main tank and put them in a separate qt tank. This will give you time to treat the ill fish without worrying about infecting the rest of your fish population.

How can I Prevent My Discus Fish from Getting Sick?

The best way to prevent your discus fry from getting sick is to practice good aquarium husbandry. This includes maintaining clean water, feeding them a nutritious diet, and providing them with a stress-free environment.

How to Care for Discus Fish?

To care for your discus fry, you need to provide them with a spacious tank, filtered and heated water, and a diet rich in protein. Also, you should perform regular water changes and keep a close eye on your fish for any signs of illness.

What Kind of Water Is Toxic to Discus?

They cannot survive in water that contains high levels of ammonia, nitrites, and nitrates. Also, tap water that has chlorine or chloramine can kill them.

What Is the Best pH for Discus?

The ideal pH range for discus fry is 6.8 to 7.5. Any pH level outside of this range can cause health problems for your fish.

What Is the Best GH and KH for Discus?

The ideal GH range for discus fry is 4 to 5, while the ideal KH range is 3 to 4.

What Is the Best Temperature for Discus?

The ideal water temperature for discus fry is between 82-86 degrees Fahrenheit. In case you live in a cold climate, you can use a heater to maintain the water temperature in this range.

Last Words

As you can see, quarantining your discus fish is a very important part of their care. By taking the necessary steps to quarantine your new discus and ill fish, you can ensure that your fish stay healthy and happy for many years to come.

Also, don’t forget to check out our other articles on discus fish care for more information on how to keep your fish healthy and happy.

If you have any questions or comments, please feel free to leave them below. We would love to hear from you!