Angelfish1 wrote: ozzzzzzzzylam wrote: Angelfish1 wrote: 需唔需要驗一驗PO4? 我依家用緊隻PO4試劑試唔到缸水有PO4,唔知邊隻俾子好d呢?師兄有無好介紹.thx 唔係好識,據一些文章講,試劑測試唔到有NO3 & PO4唔等於沒有,只代表好低份量。 條黃吊唔刨苔咩?不如買條會刨苔的吊清理魚缸。
ozzzzzzzzylam wrote: Angelfish1 wrote: 需唔需要驗一驗PO4? 我依家用緊隻PO4試劑試唔到缸水有PO4,唔知邊隻俾子好d呢?師兄有無好介紹.thx
Angelfish1 wrote: 需唔需要驗一驗PO4?
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