The Planted Tank Forum - View Single Post - Why is there no sticky differentiating all these different Lighting Systems???
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Old 09-09-2005, 10:37 PM   #10
BlueRam
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All are quoted as total lumens. Skip the reflector and get less than half!

Edit:
Note that 1250/20 = 62.5 for spiral compact

Quote:
Originally Posted by Matak
For the spiral compact, is that total output lumens, (including all that restrike loss in the spiral) or is that usable lumens (as measrured from the outside of the bulb)?
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Last edited by BlueRam; 09-13-2005 at 12:51 AM..
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