When it comes to breeding discus fish, there are several things that you need to keep in mind in order for you to successfully breed discus fish in your aquarium. Also, it is very important to be familiar with the behavior of the discus fish especially when they are mating or starting to breed. The first thing that you have to consider is the fish tank. As a discus fish owner, you need to understand that you should test the water prior to every water change. This is to ensure that the water chemistry is correct for your discus fish to thrive or live in. You need to remember that sudden change in water chemistry can eventually lead to high stress levels for discus fish. It s not that you have to look after them all the time, but they need daily care to keep them healthy and happy, and this is not a task for those who do not simply have the time, nor patience to do so. And if you re not that experienced yet in maintaining a fish tank, keeping discus fish can be quite complicated. You have to keep in mind that even if the fish heals after the treatment, the wound can leave a permanent scar, which can significantly have an effect on the overall appearance of the fish, especially on discus fish. This is why treating the wound while it s still small is highly recommended. For this kind of disease, you may want to treat the disease by increasing the water temperature from 30 degrees Celsius to 36 degrees Celsius. Discus fish needs clean water and good nutrition in order to thrive. When you are putting tap water in your aquarium, make sure that the water is treated first before you place the discus fish inside. This is to ensure that the water is free from chemicals, such as chlorine and other heavy metals. Discus fish lives naturally in soft water that is slightly acidic. The 2 Things that you Should Concentrate on When Discus Fish Keeping When talking about the health of the discus fish, there are really only two main aspects where great concern should be focused on. These two will dictate highly whether your discus fish will be able to spawn or let alone be healthy and live a long life.