Ballasts are an essential piece of equipment for any grow room. Ballasts regulate and limit power to your lamp for safe operation and must match the rating of your lamp. We have put together this range to ensure that you have exactly what you need no matter what hydroponic lighting you are using. We have ballasts to meet a range of budgets and lamps so you are sure to find what you need, right here. Explore this range of top quality ballasts from trusted manufacturers such as Sunmaster and Lumii and discover exactly what you require for your hydroponic setup.