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Giesemann Powerchrome T5 Lamps

Giesemann Powerchrome T5 HO Flourescent Lamps.

What are the benefits of T5 Lighting?
A critical parameter of good coral growth and survival, especially hard corals, is light. With the advent of T5's (which describes the small diameter of the tube-5/8"-and does not indicate the lumen out-put), and correct phosphor blends, it is possible to produce a fluorescent tube which can emit 10% more light than the equivalent wattage from a metal halide bulb. This is achieved with a 40% reduction in running cost and without the radiant heat problems associated with metal halide ligthting. The tubes are significantly less expensive than metal halide bulbs with increased longevity-up to 15,000 hours.