It is well known that hps out yields LED due to the fact the plants stretch abit more and the hps has larger footprint giving more of the plant more light. But LED is made for Mj and if you spend enough youll blow hps out of tha water
Hi, no led company will run there 3w LED diodes at 3w as they burn out faster, theyre usually run at around 1.8w or something like that. The 300w says how many Watts worth of diodes and the 180w is its actual draw.