1000w HPS Double Ended Bulb By AUVL Supplement Does not have to be

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1000w HPS Double Ended Bulb By AUVL Supplement Does not have to beGrow Green 2. 2 AUVL 1000 Watt High Pressure Sodium Double Ended Bulb Made in Germany Product description The undisputed flagship lamp is the GROW GREEN NH 1000 Watt, 400 Volt high pressure sodium lamp. GROW GREEN lamps deliver high quantities of PAR light and have a long average service life. Combined with a high quality DE fixture, maximum yield is guaranteed. The striking factor shown by the McCree curve is that plants use red light more