七仔 wrote: 豪哥咁夜都睇緊你個post, 佢問你點解UV沙倉抽水尾倉出水 ? 上水泵用幾分喉 ?(見相沙床, 水流唔似9000L x 2 上水)....你答佢啦 ps....唔會完美都唔好浪費個skimmer丫, 咪乜都話考慮啦, GOGOGO
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