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| View Poll Results: Do you use GFO? | |||
| Yes, 24/7. |
   
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54 | 44.63% |
| Yes, most of the time. |
  
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7 | 5.79% |
| Sometimes. |
  
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5 | 4.13% |
| Not usually, but every once in awhile. |
  
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5 | 4.13% |
| No, but I want to start. |
  
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5 | 4.13% |
| No, I choose not to. |
  
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21 | 17.36% |
| No, I don't have the means to run it. |
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4 | 3.31% |
| No, I didn't know about it or don't know enough to try yet. |
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21 | 17.36% |
| Multiple Choice Poll. Voters: 121. You may not vote on this poll | |||
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#19
05-10-2009, 06:01 AM
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I run it in a phosban reactor and change it out every 4 weeks. In testing phosphate, I'm of the opinion that the GFO seems to be measurably effective for not much more than a few days, but I'm not willing to change it that often.
I'm estimating the effectiveness by measuring phosphate in the system vs. the outflow from the reactor. If there is a difference, then I assume the GFO is working. That difference seems to exist for only a very short time. I think my algae is exporting phosphate much more efficiently than my GFO does.
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400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies My Tank: http://www.canreef.com/vbulletin/showthread.php?t=28436 
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