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250 Watt HPS to MH Conversion bulb, 20,500 L
by: phillips

Item 901543INACTIVE
Our Price: $69.99
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The Philips Master ColorĀ® Ceramic Metal Halide lamps are optimized for operation on High Pressure Sodium (HPS) ballasts. The ceramic discharge arc tube is more robust than the traditional quartz arc tube maintaining superior lumens with a crisp, bright, white light. These lamps are rated for open fixture use and with no shut off required, they are ideal for 24/7 operation. Simply replace the lamp at or before the end of its rated life.



Weight 0.35 lb
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  • In reference to Item 901543: Does the ballast have to match the bulb wattage exactly Can you recommend a ballast from your store that will work correctly with this bulb Thank you! Jim K.
    Hello Jim, Thanks for your question. For the item code 901543: the 250 Watt Ceramic Metal Halide HPS to MH Conversion bulb the ballast must match the bulb wattage unless you have a dialable ballast. A dialable digital ballast will allow the user to select the lamp wattage and still run the lamp at the correct color temperature. For this bulb I would recommend the Galaxy Electronic, Grow Amp 250-250HQI-400 Watt Select-A-Watt Ballast item code 902210. If there is anything else I can help you with please let me know. Regards, Atlantis Hydroponics