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Tank Size: Provide a tank of at least 10-20 gallons for a school of Cardinal Tetras. Larger tanks allow for a more comfortable group.
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Water Parameters: Maintain stable conditions with a temperature range of 73-81°F (23-27°C), a pH level of 4.0-6.0, and very soft to soft water, resembling their Amazon basin habitat.
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Filtration: Effective filtration is essential to maintain water quality and oxygenation. A gentle current is suitable for these tetras.
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Aquascape: Create an environment with dense live plants, driftwood, and floating vegetation to mimic their natural habitat. They appreciate dimmed lighting.
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Tank Mates: Cardinal Tetras are peaceful and should be kept with other non-aggressive, small community fish that share their water parameters.
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Diet: They are omnivores, accepting high-quality flakes, pellets, live or frozen foods like brine shrimp and daphnia, and occasional vegetable matter.
