01-07-2011, 10:23 AM
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Go buy 6700k tubes, often called daylight or cool white.
Oh, do make sure you have a good liquid fertiliser. Flourish comprehensive is the best.
Watts per gallon is an archaic myth- every aquarium is different. If you want to add CO2 gas to your aquarium, and dose nutrients several times a week, then you will need much more light, about 3-4 watts per gallon would be enough. You'll be rewarded with excellent fast growth (once you find balance).
Most of us here use the "low tech" approach. Lower light (<1 - 2 watts per gallon), no CO2 setups, and weekly (if any) maintenance. The growth is slower, but to put it simply- it's good enough for us. Plus the fish prefer a low-light tank.
Byron has some very good stickies at the top of the topic list.
Last edited by redchigh; 01-07-2011 at 10:28 AM..