When breeding is successful, the fry should be separated from the adults in order to avoid letting them get infected by parasites from the adults. Also, you have to remember that juvenile discus fish needs proper nutrition in order for them to grow up healthy. Remember these tips and you can be sure that you will be able to successfully breed discus fish. Now, because you have to have at least 6 discus fish together in the aquarium, you will definitely need a larger tank. Although it is possible for you to keep discus fish in tanks that are empty, it s best if you put in plants, bog wood, and rocks inside the tank. These will not only make the tank look a lot better but these things will serve as a hiding place for discus fish and it will also help keep them comfortable. 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. And, they really won t tolerate sudden and large water quality changes. Small fish tanks will likely fluctuate when it comes to the water pH level as well as the temperature. This is why larger fish tanks are recommended for discus fish. The smallest size for at least 6 discus fish would be a 40 gallon tank. Although the fish commands a high price, many people have sought its presence because of its beautiful patterns and color, and they are virtually easy to keep. If you have always wanted a discus fish but is afraid that you might just waste them, then here are a couple of discus fish secrets which will allow you to not only keep them healthy, but also keep them happy inside your fresh water aquarium. So, in maintaining the water of your tank, you not only need to keep it clean, you also have to get the right pH levels and the proper temperature which will simulate the waters where the discus fish came from, which is the Amazon river. Changing the water in your tank should be done at least once or twice a week.