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When you can get LED's that point in the right direction to begin with, these don't make much sense. This is a replacement for an incandescent light bulb, so it's designed to throw light in all directions. Thus, most of your light, your going to have to try to reflect back to the tank, during which process a good % will be lost. 450 lumens isn't much to begin with.

They do make mogul based LED "spot lights" where all the led's are facing the right direction. they don't have tremendous wattage, but it should be a much lower number of diodes(than the corn cob) which typically means you will get greater depth penetration.
 

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Discussion Starter · #7 ·
There is a 5X3W E27 in the "spot light" config that is advertised to yield 900 lumens. Not too shabby. There are also of 3x3W that get you around 500 lumens. The 9W bulb should be around $10 to your door.
that sure would be nice but my lamps are E14..
 
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