Blomm 800 Watt Cob/Diode Grow Light. The item "Blomm 800 Watt Dual Cob/Diode Grow Light Veg And Bloom 4x4 Coverage" is in sale since Wednesday, November 27, 2019. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics & Seed Starting\Grow Light Kits". The seller is "aski93" and is located in Hammond, Indiana. This item can be shipped to United States.