Dual Arc (HPS+MH)
To learn more about HID lighting read our buyer's guide. HID Lighting Buyer's Guide. Dual Arc grow bulbs make it possible to use one lamp from seed to harvest, including your vegetative and blooming phases. These single light sources have the most varied spectrum because they include Metal Halide (MH) and High Pressure Sodium (HPS) bulbs, often a 600 watt HPS and a 400 watt MH to comprise a 1000 watt bulb.
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Additional Reviews & Resources
- Best LED Grow Light Comparison & Review Test Using Laboratory Data
- HLG LED Grow Light 225w Elite Reviewed and Unboxed by Horticulture Lighting Group
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- HLG 550 V2 R-Spec, B-Spec and ECO LED Review & Comparison Quantum Board Grow Lights by Horticulture Lighting Group
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