This extremely attractive fish which can provide any aquarium a stunning display of colors and patterns not only almost immediately brightens up a room, but also can be a good investment as discus fish is very much in demand and can fetch a high price. Soon enough, you will be able to cover all your expenses for your own discus fish collection. Discus Fish originated in the waters of Brazil, which is soft and acidic. So, you have to replicate the water quality in Brazil in your fish tank if you are going to keep a Discus Fish or any other fish found in Brazil. You also have to keep in mind that larger volumes of water is easier to keep stable than smaller volumes. If the keeper says that they just fed the fish, then you should look for another place to buy a Discus Fish. As much as possible, you should buy an adult Discus Fish. This is highly recommended for first time owners of Discus Fish as adult Discus Fish costs lesser to maintain than juvenile ones. You need to remember that juvenile Discus Fish are far more sensitive to water quality and food quality than adult Discus Fish. If your tap water is filled with chemicals, then the fish will not survive that long. You also have to remember that discus fish likes to live in large areas of water. So, you may want to buy a larger fish tank in order for you to make sure that the discus fish will be comfortable and not get subjected to a lot of stress. Aside from that, they need more looking after, providing them with an adequate environment where they can breed and live healthy. This is not to dissuade you; fish owners know how rewarding an aquarium can be. To many, this relieves stress effectively. So if you plan on getting some discus fish or have already purchased some, here are some tips on how to keep the environment suitable for the discus fish. A small tank will just stunt their development and will stress them out. But also remember, if the tank is too big, the young discus fish can become overly skittish and can also stunt their growth. If you can afford to, buying two tanks is also advisable, especially if you can afford it and you want to breed your discus fish later on.