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Old 01-12-2013, 06:15 PM   #3
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The 650 nm Roseate bulb sounds like your typical plant bulb (very pink).

You can change them to 6700K bulbs if you want; it will not increase the amount of light you have. It will change the look of your aquarium, as 6700K is significantly whiter (with a tint of blue).

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