01-24-2007, 06:52 PM
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hmm 3 watts per gallon would probably need a three tube lighting fixture. A single tube costs about... 15 dollars. A single tube gives less than a watt per gallon so isnt too good for a planted tank. A twin tube costs around 25-35 dollars. Twin tubes can give up to 2 watts per gallon. A tri tube costs about 45-55 dollars.
NOTE: these prices dont always include light bulbs. Light bulbs cost around 10-15 dollars. ALso these prices arent that accurate so when you go to your fish store tommorow look around and see how much they cost. Make sure you get light bulbs made for planted tanks otherwise its no use.