Sword, Kleiner Bar (Echinodorus 'Kleiner Bar') It needs moderate light and a good substrate fertilizer. It makes a gorgeous addition to your aquarium. These are beautiful! When submersed, the Echinodorus 'Kleiner Bar' forms a compact, average-sized rosette of rusty red to deep dark red leaves, the color fades to greenish with age or under poor light. Temperature range is 22 - 30 degrees C. Cultivation succeeds in soft, slightly acid water as well as an extremely hard, alkaline environment without additional CO2 fertilization.