qqleo
文章: 5294
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10 于 2003-01-10 23:00 
lamlam wrote: Hi qqleo, AC put in the third layer of 桶形過濾 . I measure the PH value with PL light on. Even I change half the water in my tank, the PH value still keep at 7.7 !!! But when I measure the PH value of the water before pour into the tank, it is 8.2! very headache!!! I change half the water in my tank <=== 唔洗換咁多架, 要慢慢逐少咁換, 至多換密 D 等 D 水有幾會成長到 D 菌, 你一次換一半就坐底要等一個星期先至會生得番 D 菌, 跟住又換一半, 即係生長左變左無生長 !! 明唔明 ? 你試下每兩日換一次 20% 水, 隔日換, 唔好日日換試下啦 ~ 你打中文得唔得 ? 唔得都無問題 ~ 謝謝回覆     |
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