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| View Poll Results: What is your favourite tank bottom? | |||
| Deep Sand Bed |
   
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3 | 8.33% |
| Shallow Sand Bed |
  
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26 | 72.22% |
| Paint |
  
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0 | 0% |
| Rubble |
  
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0 | 0% |
| Bare Bottom |
  
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6 | 16.67% |
| Other |
  
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1 | 2.78% |
| Voters: 36. You may not vote on this poll | |||
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#12
05-03-2020, 08:51 PM
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Sand beds 4 inches or deeper are not cleaned, in fact cleaning them is very bad as it disrupts the bacteria and you get toxins released into your water. With the deep sand beds you get hypoxic and anoxic regions at the bottom that grow bacteria which denitrify and get rid of SO4. Whys Alives does a good job of explaining it here
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