Ballasts BallastsGrowing LampsGrowing Light Bulbs Displaying 1 to 3 (of 3 products) 1(current) Hydrogarden LUMii Digita 1000W Dimmable Ballast £119.52 Lumatek 315w CMH Ceramic Metal Halide Dimmable Ballast & Bulb Lumatek CMH £146.29 Maxibright Compact 1000watt Grow Light Ballast Maxigrow £138.81 Displaying 1 to 3 (of 3 products) 1(current)