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5 x Superplant Super 400w Red flowering bulb.
Ideal for flowering. Their spectrum is suitable for the flowering and fruit ripening stages thanks to an unbeatable luminous efficiency – it’s spectrum color is 2000K° (specially for blooming phase). HPS bulbs contain a tube filled with sodium, mercury and xenon which, when its traversed by a powerful magnetic arc, gives off a warm and intense light.
Well suited for use in a digital ballast, fire tube popped no more with this lamp!