Triphosphor brightens the world inside aquariums and terrariums. Fish and plants thrive under triphosphor tubes, fish look better, their colours appear more vivid and attractive in a natural way.   The tropical part of the high output bulb which peaks in the blue and red part of the spectrum is perfectly formulated to support the photosynthesis process that is vital for aquatic plants to thrive. High output. Long life bulbs. 4 pin connection. Perfect for tropical and cold water aquariums. Promotes lush plant growth and emphasises the colours of your fish.