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Energy Efficient T-8's

Bob Dixon wrote:

>Why do people use 32 watt bulbs?  Aren't these 4 footers?  Why not just get 
>four 40 watts and get more light, or use three 40 watters, and get the same 
>amount of light for less money?  I'm missing the point.  I mean, 4 tubes over 
>a 55 takes up the whole top of the tank.  It takes extra effort to get them 
>to fit.  Why not maximize your investment?

Because 32W 4' bulbs are energy efficient T-8's.  Run on the proper
electronic ballast, they put out the same amount of light as the best 40W
tri-phospor bulbs, cost much less and also cost much less to run.