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Old 09-27-2012, 05:30 PM   #2
Monster Fish
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Welcome to TPT! I suggest you read up on PAR since using watts to determine your lighting levels has become antiquated.

Here's the PAR thread:
http://www.plantedtank.net/forums/sh...d.php?t=184368

Also, orientation plays a big part on how much PAR your CFLs will emit. The same 26 watt bulb can be either low or high light, depending on how it's situated. Here's some more info:

http://www.plantedtank.net/forums/sh...ad.php?t=85667
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