600w Grow Light Kits

600 Watt High Pressure Sodium (HPS) Grow Lights are easily the most popular size used in the UK. 600w lamps are the most efficient, giving you more light per watt than any other size. They're ideal for illuminating a 1.2m x 1.2m (120cm x 120cm) area for hydroponic growing. We provide a choice of 600w Grow Light Kits with the best components to cover every price point. Click the listings for more options on reflector and ballast.