![]() PlantsĬardinal Tetras look better when they are kept in an aquarium containing live plants. ![]() Moreover, plants will not only offer shade, but they will also maintain water parameters by consuming harmful elements such as nitrates. However, this does not mean that they will be fine with any decoration you choose.įor example, plants are a must when it comes to aquariums because fishes need places where they can hide and ambush their prey. DecorationsĬardinal Tetras are usually kept in a community tank, so there is no need to have separate decorations for them. ![]() Keeping the water’s pH around 7 to 8 will be possible by performing frequent partial water changes every week or two weeks depending on how much you are able to do it, and using an air pump if the water gets too acidic.Ĭardinal Tetras are very sensitive to high levels of ammonia, so I recommend that you perform a larger number of water changes in order to keep your aquarium safe even for the long term. Cardinal Tetra prefers a water pH that falls between 4.0 and 8.0 with a tolerance of 6.5 and 8.5.
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