Best 1000w HPS Bulb Test Comparison Review > Read more Tags: Comparison baddass bulb test digilux growlite hortilux lumatek maxlume og vertical reflector solis-tek solistek ultra sun ultrasun ushio Categories: Comparison Tests HPS/MH Lighting Time: 6 Minute Read Date: Aug 18, 2012 Author: Staff @Growershouse