Topic: PH試紙

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Posted by: fishhelper
Posted on: 2009-03-11 15:51

PH試紙來試酸鹼度，又平又快捷 ，拿起手想知PH度，但又無試劑，魚缸邊一定要有佢睇門口。足不出戶包郵費直接寄比你。$15 有 80張

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