The largest of all grow lights are 1000W High Pressure Sodium (HPS) lamps. Nothing beats them for yield and canopy penetration, covering up to 1.5m x 1.5m of hydroponic indoor grow space. People who use these lights vouch for them despite the fact that they use a little more energy and generate more heat. Find out what you’ve been missing by trying one of our complete 1000w grow light kits!

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