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Old 23-04-2011, 01:50 AM
chrisstophen chrisstophen is offline
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First recorded activity by GardenBanter: Apr 2011
Posts: 6

A metal halide ballast is the most important part of the operating metal halide lamp. These types of lights are known as a class of high-intensity discharge lamps lamps. Because of its small size with high output, these lamps is a recognized source of compact and efficient light.
Hydroponic Gardening Benefits