Growers Choice GC- 1000W MP CMH w/3KCultivators who want the ultimate quality will want to get their hands on the new Master Pursuit 1000w CMH all in one fixture. Utilizing twice the amount of photon flux output (2000 umol s) than the GC 500w CMH lamp, this new innovative technology provides the same intensity but with a full par spectrum that will cater to your plants specific needs by allowing you to customize your spectrum while using a wide variety of lamps, such as the 3k and 3k R.