I do 30% water changes once a week, but I have a fully planted tank, some would argue more or less. It makes for better water chemistry, encourages spawning, aids the hatching process and tints the water a light brownish yellow color just like the Amazon River, which is rather cool looking.ĭiscus fish are delicate and rather intolerant of poor water quality, thus regular partial water changes must be made and maintaining proper filtration at all times is essential in Discus fish care. If you would rather not deal with peat moss, blackwater extract contains natural humic and tannic acids that simulates water conditions of the Amazon River basin created by soil, peat moss and decaying vegetation. You can buy some from any garden center for rather cheap, if they happen to not have any you can buy some online, after that put some in mesh bag (cut off panty hose also works) and place it in the compartment where the filter pad sits so water can flow through it. Peat moss can be a great way to naturally lower the pH of your aquarium, which I personally use in my planted freshwater Angelfish tank. While not ideal, most Discus fish can tolerate water with a pH of 5.0-7.5, water hardness of 0-8 dH and temperatures of 77-86☏ (25-30☌). A heavily planted tank may also need CO2 injection for the plants to do well in an upcoming post we'll be showing you how you can make a CO2 unit yourself out of household items.ĭiscus fish flourish in water with conditions similar to their natural habitat, however many Discus fish are raised in captivity and tolerant of a higher range of water conditions. However, if you want a show tank then it is best to emulate the natural habitat of the Discus fish by provide hiding places, open swimming areas, driftwood, fully planted aquascape and some floating plants to diffuse the light.
If for breeding, it is best for the tank to be bare bottom, meaning without any gravel. As for the setup, it entirely depends on the purpose.
Discus fish prefer large tall tanks and I would recommend a minimum of 55 gallons (200L).
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