1. Feb 21, 2011 #1
   

   rockinsmall Inactive User

   646

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   I know that ph is lower in the morning than during the day or late evening. What is the typical/acceptable swing to expect?
   My signiture at the bottom of the page will show my chart info.

    
2. Feb 21, 2011 #2
   

   adampottebaum Experienced Reefkeeper

   2,330

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   Mine goes from high 7.9's to 8.2's. If you run a light in your sump that is reverse light cycle of your display lights, it will help keep photosynthesizing going on at night to keep your ph up.

    
3. Feb 21, 2011 #3
   

   rockinsmall Inactive User

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   i run a light in the sump at night for a few hours, but not all night long. Should i change it to all nite long?

    
4. Feb 21, 2011 #4
   New London

   FishBrain Expert Reefkeeper

   3,963

   New London

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   +399 / 6 / -0

   Mine is 7.9 to 8.2

    
5. Feb 21, 2011 #5
   

   adampottebaum Experienced Reefkeeper

   2,330

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   I would. I've got some chaeto for you if you need something to grow down there.
   

    
6. Feb 21, 2011 #6
   

   rockinsmall Inactive User

   646

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   That is very nice of you Adam. I currently have a decent sized clump in there now. thank you though. =0)

    

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