The Discus.com Learning Center

The Discus.com Learning Center is a collection of articles, forming a knowledge base for mastering the art of keeping discus fish. It is a free resource completely dedicated to discus. Whether or not you are a past customer is irrelevant -- we have made the Learning Center a 100% free resource because we want the greater discus hobby to thrive. We believe individual keepers' successes uplift the entire industry.

Begin by browsing the articles below. Each article has a comment section on the bottom so that you may engage our experts -- and each other. We know you are eager to access the website's content. So, let's get started on your journey into the wonderful world of the incredible discus fish, and learn why the discus truly lives up to its name, the "King of the Aquarium."

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Diagnosing Your Discus
These treatments are ones that I have used successfully. They are effective and fairly safe. The medications are readily available and simple to use. Intestinal Flagellates Symptoms:  Your discus may quit eating or spit out its food. White, stringy, mucus-like feces will hang... Read More
Intestinal Parasites in Tropical Fish
Parasites are a natural components of all healthy ecosystems and all fish, including tropical Discus, can have internal and intestinal parasites. Even though these internal parasites are a natural occurrence, not a contamination, in certain conditions and circumstances, they can be problematic... Read More
Tankmates for Breeding Pairs and Other Tips
What other types of tropical fish can be successfully kept with discus? Cardinal tetras are probably the best companion fish for your discus aquarium. First of all, a group of cardinal tetras are simply beautiful tropical fish. They are fun to watch. Cardinal tetras are also very suitable with... Read More
The Importance of Checking Nitrate & Nitrite Levels when Acclimating New Discus
Before placing your discus order from us, it's important to make sure your aquarium is cycled. Use a high quality water test kit, like API FRESHWATER MASTER TEST KIT, to measure nitrates, nitrites and ammonia. You want the nitrites and ammonia levels to be zero and your tank should have little... Read More
10 Tips on Getting Discus Fry to Attach to Breeding Pairs
Sometimes discus fry don't attach to their parents after they start free swimming. Usually this is a problem with newly formed, young discus pairs. The discus fry will wander around the tank. If they don't attach to the discus breeding pair, the discus fry will eventually starve to death in a... Read More
Getting Discus Pairs to Spawn Again
Discus are considered to be the “King” of all tropical fish. Breeding discus can be very challenging, even for the most advanced tropical fish hobbyist. It requires lots of patience to be successful. Here are a few tips we’ve learned that might help you get your discus pairs to spawn again if... Read More
Tips for Increasing Discus Spawn Yields
If you are not getting many discus fry from your discus breeding pair spawns, then try some of these tips below to hopefully help maximize your discus spawn yields.   Lower Water Hardness in Breeder Tank- This is probably the first tip to try if your discus spawns are having... Read More
24 Aquarium Photography Tips for Taking Better Fish Photos
I've taken thousands of fish photos with my digital cameras over the years. Here's a few aquarium photography tips that I've learned along the way that will hopefully help you take better photos of your fish and aquariums.   1. Buy a digital camera! Digital cameras are great to use... Read More
Everything you Ever Wanted to Know about Filters, but were never Told, By Jim E. Quarles
Before we get into the different kinds of filters we should clearly understand the purpose of any filtering system. Basically a filter does one of three things. 1. It removes solids from the water. 2. It provides a surface area for bacterial growth needed to change chemical compounds from one to... Read More
The Common Sense of Discus By Mary Ellen Sweeney
Distinguished members of the family Cichlidae and the genus Symphysodon, discus are considered by many hobbyists to be the ultimate in freshwater fishes. Called the "King of the Aquarium," there is a mystique about discus that transcends their snazzy good looks and fascinating behavior. Many... Read More
So You Want Start Keeping Discus?? OK. But Start Out Doing It Right! By Jim E. Quarles
This article is for the Newbe to discus keeping. And just perhaps a few things can be of use to those not so new to the hobby.   If you want to keep discus, you had better spend time and effort learning all you can before you buy your first fish. There are several right ways to get... Read More
The Discus Community Aquarium, by Uncle Bill
It is the dream of a great many would-be and current discus keepers to have a fully landscaped, planted discus community display. Not just a community of discus but a full blown community display. I can hear the "experts" now: "It can't be done", "Discus should only be kept in species tanks", "... Read More
The Use of Garlic Against Tapeworm in Discus, by Jack Wattley
During a discus presentation in Chicago (and in New York) several years ago I mentioned garlic as a preventative agent against infestations of internal parasites in discus. At that time I was still working with it and suggested to the audience that they try different methods of application. None... Read More
CO2 in a Discus Aquarium
CO2 is the scientific formula for carbon dioxide and occurs due to a reaction between the elements carbon (C) and oxygen (O) . Carbon and oxygen are 2 of the most important building stones of life for any organism.   What is the relationship between tanks and CO2? To keep it simple... Read More
Beef Heart -- Tapeworms, and other Nonsense
Let's put this intestinal worm business in perspective.   If you're new to the hobby or even been in it for a while one of the great dangers you and your fish will face is Mis-information. And I can think of no greater area to be concerned about than the nonsense information... Read More
Plans for a Custom Built Wet/Dry Filter
Here's the base for the wet/dry filter.  It's really just an aquarium (36"x10"x18") with some glass panels siliconed inside to allow water to flow through the media. Right click on the image below and select "open in a new tab."   Now I've put the guideline strips of acrylic... Read More

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