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| View Poll Results: How's your return pipes | |||
| Underwater |
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13 | 40.63% |
| above water churning the water |
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8 | 25.00% |
| Through the backwall |
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11 | 34.38% |
| Voters: 32. You may not vote on this poll | |||
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#2
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Having above the water will cause a lot of splashing and salt creep. Assuming you run a skimmer, that should be enough for O2 exchange.
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Brad |
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