Lumatek Zeus LEDOverivew Lumatek full spectrum Zeus LEDs balance light quality (spectra) with light quantity (intensity and duration) sufficient to provide single source lighting for entire grow cycle from vegetative through flowering period. This will reflect at the end of the grow cycle with higher quality and quantity of produce. The higher specification Lumatek Zeus LEDs are linear multi light bar fixture producing very high PPF and Photon Efficacy (fixture