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until you reach an EC level of 0
the higher ratio of blue light promotes vigorous leafy growth
As plants transition into the flowering stage
The 250w MH bulb from Venture emits intense blue-white light
Sunmaster MH 7200K Cool Deluxe Dual Spectrum Lamp Sunmaster MH Cool Deluxe Dual Spectrum:400w Sunmaster MH Cool Deluxe Lamp until you reach an ECSunmaster 7200K versions are also the lamp of choice for adding extra blue spectrum to a lighting setup that contains mostly sodium lamps to provide outstanding performance for indoor plants throughout their entire growth cycle. The Cool Deluxe Dual Spectrum bulb emits a carefully calibrated blend of blue and red light, mimicking the natural sunlight spectrum. During the vegetative phase, the higher ratio of blue light promotes vigorous leafy growth,