billy_626 wrote: ak2047 wrote: 要盡快清走,可以用火箭吊或海兔。 但最好減低 PO4 和 NO3,最快方法係換水。 換左水啦 尋日NO3=5 / NO2=0.1
ak2047 wrote: 要盡快清走,可以用火箭吊或海兔。 但最好減低 PO4 和 NO3,最快方法係換水。
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