Two Words, One Answer.
Metal Halide
 Universal 20994 M1000230AC5M500K Metal Halide Ballast Kits $15.44 I had such a hard time finding a binder like this at the store. And when I did it was like $30. And the white was more expensive than that. Amazon always has what I need. The binder is great!  Philips 287334 Mh175/u Metal Halide Lamps $25.08 Metal Halide Lamps Type: Metal Halide Wattage: 175 BulbStyle: Ellipsoidal Lamp Code: ED-28 Base Style: Single Contact Mogul Screw Overall Length: 8-5/16  Hydrofarm Sunburst System 400W Metal Halide (MH) $229.99 UL Listed features self-contained ballast and a smaller diffused specular aluminum reflector for optimal intensity and the option to air cool. Hydrofarm Sunburst Metal Halide grow light systems emit mostly blue light. Plants use blue light for vegetative leaf growth and it prevents plants from stretching and elongating. Halides offer very little red light and do not fruit or flower plants effectively. Bulbs should be replaced every year of use. System Includes: -Reflector -Bulb -Ballast(inside reflector) Warranty Information: -Six year for ballast -One year for bulb Reflector Dimensions: 6"H x 16"W x 20"L |
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