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| General Indoor Growing Lighting, mediums, feeding, efficiency and more. |
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05-30-2005, 05:23 PM
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Join Date: May 2005
Location: The netherlands
Posts: 20
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the effect surface area for a 500Watt lamp is about 1.0 m2, so it kinda depends on how much light you want your plants to get and how big you want them to grow.
but I think you could use a 500W for maybe 6 plants, but I would recommend to get a lamp for every 4 plants. It also depends on the area of your growth, if you grow in a 2m2 box I would get 2x 400 Watt lights. If you grow in a large area then a lot of the light can escape so the amount to reach the plant would be less. I would go for about 4 under a 500W |
    
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