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標題: PH升到8.5以上,黠解? [打印本頁]

作者: Tedmond    時間: 2012-9-7 12:45:13     標題: PH升到8.5以上,黠解?

各位師兄,近期我個缸日頭升到PH8.5以上,部份珊瑚唔開,請問究竟有乜引發嘅可能性呢?  

有冇方法可以降低呢?

換咗兩日水都係一樣,用蒸餾水check過PH錶冇問題,

我成個缸背長滿鈣藻,形成一個垂直大草皮,沙缸飬堤子草,有冇可能係太多藻另C02偏低跟住PH升高?




作者: 敏記    時間: 2012-9-7 13:27:18

PH高   如果正常無落石灰水既得一個可能..就係 kh好高
作者: Tedmond    時間: 2012-9-7 13:41:09

KH 係 8.5
唔高,真係唔知點?

作者: 敏記    時間: 2012-9-7 14:14:54

一係kh測試劑有問題,一係ph表壞   
作者: pat_shiu    時間: 2012-9-7 17:10:37

唔可以用蒸餾水check PH錶........一定要用buffer solution (pH4.0 and pH7.0)

作者: pat_shiu    時間: 2012-9-7 17:19:52

pH electrodes (PH錶) function by interacting with the ion elements present in water and distilled water generally does not have enough ions for a proper reading, thats why PH錶 cannot give correct reading on distilled water



作者: Tedmond    時間: 2012-9-13 14:16:41

買咗藥水 cal PH, 冇問題, 用咗兩隻唔同牌子check KH, 都係一樣
????





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