New from arcadia the marine t5 tube that is a blue and a white light all in one 60 marine white 14 000 k and 40 marine blue 420nmr the marine hybrid is a new t5 lamp formulation based on a 6040 phosphor mix of our marine white 14k and marine blue 420nm lamps the resultant spectrum of the lamp combines high brightness with large amounts of energy in the photosynthetic wavelengths required for coral growth with a strong actinic peak to fluoresce corals the marine hybrid lamp emphasises b