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400 Watt ET18 HID High Pressure Sodium Light Bulb, 2100K Clear E39 (Mogul) Base, Box

150 Watt ED17 HID High Pressure Sodium Light Bulb, 2100K Clear E26 (Medium) Base, Box

The Flowering Light Cycle is the cycle you set your High Pressure Sodium Lights on to bud your marijuana plants. There is a basic light cycle and a more ex

LEDs in greenhouses deliver same yield as grow lights, using just 25% of the energy

Using LED lighting instead of traditional high pressure sodium lights to grow tomatoes in greenhouses during the winter could cut costs and boost local food production.

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PHILIPS 150W 100V ED28 E39 HID High Pressure Sodium Light Bulbs

These lamps pass the EPA's TCLP test for non-hazardous materials. Ideal for industrial applications, warehouses, post top applications and parking l

250 Watt ET18 HID High Pressure Sodium Light Bulb, 1900K Clear E39 (Mogul) Base, Box

Westinghouse 250 Watt Clear (Mogul) Base HID HPS Light Bulb 3744400 High Intensity Discharge (HID) High Pressure Sodium light bulbs are very ef

70W High Pressure Sodium Light

400 Watt ET18 HID High Pressure Sodium Light Bulb, 2100K Clear E39 (Mogul) Base, Box

Westinghouse 400 Watt Clear (Mogul) Base HID HPS Light Bulb 3744500 High Intensity Discharge (HID) High Pressure Sodium light bulbs are very ef