Dymax REX Aquarium LED Light 30cm Aquarium lighting is an essential part to a healthy, thriving and beautiful looking fish tank. Plants require a certain light spectrum to grow and the right light will also highlight the spectacular color of your fish. The Dymax range of REX aquarium lights for plants is equipped with 168 RGBW LED's, which provide a balanced combination of multiple LED's for optimal photosynthetic activity which help your plants to grow and thrive at a fraction of the cost of the old metal halide systems. The balanced brightness enhances your viewing pleasure of your fish, accentuating their natural colors without giving them the glowing look. The Dymax REX planted Aquarium light is a great light for your tropical, cichlid and planted tank