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| View Poll Results: Do you check yor PH | |||
| In the morning |
   
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3 | 8.33% |
| In the evening |
  
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6 | 16.67% |
| Not at all |
  
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27 | 75.00% |
| Voters: 36. You may not vote on this poll | |||
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#2
03-17-2008, 10:47 PM
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I use a ProfiLux controller take a reading of my PH every hour. The ProfiLux then produces a graph that shows me that for the last month my PH troughout the day goes from a low of 7.95 with the lights off to a high of 8.20 with the lights on.
Tom R 
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