Gro-Lux® remains the favourite lamp range to enhance the colours of tropical fish, whilst also stimulating various plant growth. High level of blue and red radiation helps promote healthy plant growth. Strengthens the natural colours of aquatic plants and fish in aquariums. Promotes the process of photosynthesis in plants. Can be used in combination with Aquastar in Marine aquaria where saltwater plants are being grown instead of coral and a two-lamp solution is needed. T5 - FHO high output and lumen per watt in comparison to T8 versions. For lighting of fresh-water aquariums, or as additional artificial lighting of plants