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Old 06/04/2011, 08:45 AM   #9
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Join Date: Jul 2010
Location: Stockholm, Sweden
Posts: 294
Originally Posted by salty joe View Post
I think two scrubbers where only one is lit at a time would be the most efficient use of electricity. Use the O2 senser to determine when photoinhibition begins and set a light timer accordingly. So when photoinhibition begins the light goes out on that scubber and the other scrubber gets lit up. On the runup to photoinhibition, growth is fantastic, then growth drops like a rock, no matter how much light (electricity) you throw at it.
This is very interesting. I have been thinking about running two scrubbers - but that has been to get a more even export (cleaning one on Wednesday and the other on Sunday) than I get now. Photoinhibition is another good reason. Currently I run all my scrubbers on 24W T5 @ 3000K but have been thinking on trying out 10W powerled modules.

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