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| View Poll Results: Do you test to determine when your GFO needs changing? | |||
| Yes |
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6 | 7.89% |
| No, I change it on a schedule |
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22 | 28.95% |
| No, I change it when my tank looks like it needs changing |
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20 | 26.32% |
| I don’t use GFO |
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28 | 36.84% |
| Voters: 76. You may not vote on this poll | |||
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#6
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I quit using GFO, but when I did use it I changed it just before my tank looked like it needed changing. I figured that out to be about every 6 weeks.
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