白熊 wrote: 放炭無話唔好, 不過好貴, 要定期更換. 海水淡, 都無話唔得既, 医白點走1.010都係咁啦, 唔好大上大落囉. 自己"畢"泡, skimmer唔係要黎排走水面既泡泡咁簡單喎, 係"化走"水中既"可溶性"污物, 如果用手"畢", 記得放多塊"肥豬肉"
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