With all the growing lights you will use in hydroponic farming, it's a no-brainer to get long-lasting and good quality ballasts for your lights. You can choose between a digital or a cap-and-coil ballast. Of course the digital ballast can cost more than the traditional cap-and-coil ballast but that extra cost also means that you are guarantees maximum efficiency and performance. This means more light for your grow room with less maintenance and noise. In choosing ballasts for your lights, you need to be able to determine what wattage you will be getting. Here at Hydrogalaxy, we make sure that we have whatever type and brand of ballasts you are looking for.