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Facts of Light – Part 5: Everything You Need to Know About Metal Halide Lamps and Ballasts by Sanjay Joshi - Reefkeeping.com
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GE Lighting 12377 ED17 Metal Halide Lamp 70 Watt E26 Medium Base 5500 Lumens 70 CRI 3200K Multi-Vapor PulseArc: Halogen Bulbs: Amazon.com: Tools & Home Improvement
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