Discus fish are very protective of their space so they need an ample re to grow and breed. The bigger the tank, the better. Consistency is the key. Do not allow abrupt highs and low in the temperature and pH levels of the water in the tank. This can put them in a shock. Following these simple steps will help you keep your discus fish away from stress thus giving them a healthier and longer life. You will also want to keep other varieties of fish together with the Discus Fish in order to add variety to your aquarium and make it even look more attractive. 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. First off, you need to make sure that you have a pair, a male and a female discus fish, that is the most obvious part. To go about it, there are three viable options for you, but to be honest, some of these options may not be the best way to do so. Here are your options: First, is to buy young discus fish, bout six to eight of them. As for the tank itself, you have to keep it clean and simple. Never overcrowd the fish tank with ornaments. A few plants and rocks will do as it will serve as places for them to hide. Also, you should remember to provide an area for them to lay their eggs on. This can be a slate or a vertical structure where discus fish are known to lay their eggs in. Discus fish are very temperamental but if you do the necessary research and apply it in taking care of the discus fish in your aquarium, you will be able to have a discus fish that will thrive in your aquarium and also grow happy and healthy. The secret in taking care of discus fish is the water. You need to keep in mind that unlike other fishes that needs no specific water condition to thrive, discus fish will need to live in special tanks with water that is specifically treated to the point that it mimics their natural environment. You can use a water heater in your tank to keep the water temperature stable and you should also invest in a water thermometer in order for you to constantly monitor the temperature. The environment in the aquarium should mimic the natural habitat of the discus fish. You should put in logs, rocks, plants and other spots where the discus fish can hide in or shelter in.