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. In fact, you can find adult Discus Fish for 70 dollars and around 40 dollars for a juvenile Discus Fish. With its beauty, there s a tradeoff. They are very hard to maintain and they are very temperamental creatures, which are very sensitive to water quality and the food you feed them. So, here are some secrets that will help you keep your Discus Fish alive and also get them to breed so you won t have to spend money on a Discus Fish ever again. You should also keep it a good temperature and pH level. Investing in a dependable purifier, filter, and aerator will make the water clean and livable. Vary the diet of your discus fish. Aside from the flakes and granules, feed them blood worms or fresh or frozen brine shrimp as discus fish are carnivorous. You have to note though that there are certain tank requirements for a particular breed of fish. With the discus fish, you will have two main concerns, and this is its depth and volume. The depth and the volume of the tank will be based not only on the size of the fish, but also on the swimming habits of the discus fish. Since Discus Fish are very sensitive to water quality, make sure that you keep your aquarium clean. 50 percent of the water should be changed every week and you have to keep the water free from chlorine and heavy metals. To do this, a water purifier will be able to do the trick. Keep in mind that Discus Fish thrives in the Amazon River basin where the water is slightly acidic and soft. Usually, discus fish will respond well to heat treatment in combination with the medication treatment. Gill fluke is another disease common among discus fish. Although this will not really affect adult discus fish, it can cause huge problems for discus fry and juvenile discus fish. You have to keep in mind that gill flukes are parasites that can destroy the gills of your discus fish.