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gm72
03-29-2011, 11:58 PM
The only 24 watt PC bulb that I can find that would be decent for growing plants is of the 10000K variety. I have never tried anything other than 5500K/6500K. This bulb would go over the 5.5 gallon tank I posted about. Does anyone have luck using straight 10000K bulbs on a planted tank?

rich311k
03-30-2011, 12:44 AM
I use 10000k on my tanks, I like the color and the plants do very well.

ILuvMyGoldBarb
03-30-2011, 12:54 AM
They will do just fine under a 10k. I actually know a very very experienced, and a very well respected hobbyist in this country who uses 50/50 bulbs over all of his tanks with plants in them, including his heavily planted tanks. Those bulbs are almost always 10K/actinic and his plants still thrive.