The HPS is 92,000 lumens
The MH is 55,000 lumens
and what do you mean about spectrum?
InSearch.... Reviewed by InSearch.... on . Just A Few Lighting Questions? This Post and all further posts made by this Ip and Username Are Purely science fiction and are in no way true any referance to real events are purely coincidental. Im Canadian and I was wondering if anyone had any experiance with Bustan - Toronto Hydroponics Grow Lights Nutrients Hydroponic Supplies Canada Im thinking of ordering from there. Ok I want to get: 1. 600w Galaxy Digital Ballast Hps & MH. 2. 600w OSRAM Plantastar HPS Bulb. 3. 600w SolarMax Veg/Conversion Bulb. 4. 18" Rating: 5