The Planted Tank Forum - View Single Post - Comparison of Lighting Types (Lumens and Watts)
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post #35 of (permalink) Old 08-26-2010, 12:58 AM
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Read this thread: From that you can figure out how many of what wattage spiral fluorescent bulbs you would need, with them mounted either horizontally or vertically. You would need a lot of bulbs if they are horizontal, or a lot less if they are vertical. You can't make the decision by adding up the wattages.

If you are willing to use Home Depot work lights, and 26 watt 6500K bulbs, 3 of them will be adequate.

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