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The LEDs I used in my custom fixture produce about 685 lumens each. That's close to a typical 18" T8 flourescent that does 750 lumens.
However, like mentioned, an LED has all that energy focused (in my case, a 120 degree cone) while a flourescent is omni-directional.
Those suckers are so bright they literally blind if you look right at them. I probably should've gone for lower power, and more numerous than just two individual high power LEDs
They work though.
The only commercial LED fixtures I've seen that people have had success with and you can easily find in stores is the Marineland Double Bright.
However, like mentioned, an LED has all that energy focused (in my case, a 120 degree cone) while a flourescent is omni-directional.
Those suckers are so bright they literally blind if you look right at them. I probably should've gone for lower power, and more numerous than just two individual high power LEDs
They work though.The only commercial LED fixtures I've seen that people have had success with and you can easily find in stores is the Marineland Double Bright.
