Upgrade lights This topic contains 0 replies, has 1 voice, and was last updated by john chisolm 4 months ago. Author Posts May 14, 2019 at 11:24 am #10239 john chisolmParticipant We are planning on swapping out HID lamps for LEDs in our warehouse this year. Is there a recommended replacement for 100W philips advance core & coil. With metal halide lamps. We need daylight color temp (~6000K) Author Posts You must be logged in to reply to this topic.