08-01-2008, 03:10 AM
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K rating is too high. You should try to keep that rating around 6700K-8800K. Actually closer to the 6700K, 7500K or so. Lumens are also important. these refer to brightness. The spectrum is also important. Try to get bulbs specifically for plant tanks, flora bulbs or gro-lux would be suggested. There are a myriad of bulbs on the market. Research thoroughly BEFORE you buy.
Google the terms lumens, Kelvins, and spectrum for plant growth. The reply here would be much too long. If you need any more info, please PM me. We'll work out something that can be posted for others.