Topic: 新濾桶用生物球 |
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Posted by: siren Posted on: 2005-01-03 22:03 請問, 1: 新濾桶用生物球來培養硝化細菌有無問題. 謝! :D | |
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Posted by: 岩礁園丁 Posted on: 2005-01-03 22:45 用生物環較適宜. | |

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