The Sunlight and Tropical PL bulb is the perfect choice for tropical aquariums. The 11w comes with a 8k red light and a 7.1k white light in a highout T5 long life bulb, and the 18w version has a boosted 14k red light.

The mix of Sunlight, which is perfect for plant growth, and Tropical, which helps to intensify fish colours, means this is ideal for tropical set ups. This is avaialble in a PL11w, and a PL18w.