 The water should be soft to slightly hard, d°GH of 6° to 15°, with a slightly acidic pH of 6.8, in the range 6.0 – 7.5.It prefers a temperature of 25 °C in the range 22° – 28° °C (72° – 82 °F).The hardiness of this fish allows it easily to adapt to harder water, though soft water is essential for captive breeding.