The first thing that you have to consider is the fish tank. You need to make sure that you have the right fish tank for breeding discus fish. A 20 gallon fish tank is great for breeding as this will give you enough space for both the mating pairs to swim around and breed. 20 gallon fish tanks are perfect for 2 pairs of discus fish. This is why you have to consider the size of the tank where you intend on keeping your Discus Fish. You have to try getting the largest aquarium that you possibly can in order for you to easily maintain the water quality. You may already know about the nitrogen cycle. You need to consider the fact that this is very important whenever you intend on keeping any kind of fish in a fish tank or aquarium. A 20 to 27 gallon aquarium would do fine. This way, you can have enough space to hold your discus fish and your aquarium ornaments and if your breeding them, future space for their spawn. Another well known secret in raising discus fish is providing them with a good diet. A good diet must be a varied diet, which can include some blood worms, beef heart, tetra pieces, and some frozen or fresh brine shrimp. To help you get started, here are a few do s and don ts in discus fish breeding. The Do s Do buy a big tank if your existing aquarium is small. For a pair of discus fish, a 27 gallon tank will suffice, but if you have more pairs, then you should get a bigger one, 75 gallons will do the trick for 3 to 4 pairs of discus fish. The Basic Environment for the Discus Fish When it comes to tropical fishes, many aquarists would insist that the discus fish reigns supreme. Many fresh water aquariums today wouldn t really be complete if the vibrant and soothing discus fish is not in it. Before, because of its limited supply, only a selected few would be able to get their hands on a discus fish, let alone a handful of them, luckily today, many are now able to get their hands on them, and if you re one of those lucky persons, then you should know how to provide them a good environment so that they can leave healthy and stress free. This part is essential in order for you to properly care for your discus fish. You also have to keep in mind that the hardness and acidity of water is also important. You need to be able to mimic the waters of the Amazon River in order for you to properly care for your discus fish. This means that the water should have an acidity level of pH 6 and it should also be soft water.