Quote Originally Posted by Wheatie
the dual spectrums lumens is 58000 but it said that it has a blue spectrum as well i thought plants did better under an red orange spectrum in flowering ?
The blue spectrums are to help during the veg stage, it's added to the HPS red spectrum, no loss of lumens....

it's all good for the plants...both are great bulbs....enjoy.
Dutch Pimp Reviewed by Dutch Pimp on . which bulb is superior which of these bulbs are better Grolux 400w Dual Spectrum Sunmaster 400w Son T Plus Rating: 5