deechand wrote: 現在最好校細出水位的flowrate, 校到出水位NO2 農度最細. 並從缸取水到水桶內,在水桶內用泵試行,這樣便成了一個closed loop system, 唔好理佢,等佢自己行,行到雙0為止. 加flowrate 時,留意NO2有否上升.有就立刻把flowrate 減慢. 硫黃珠NO3去除器能除 NO3 & NO2. 幾時NO3降?答唔到你,好多因素.
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