haiven wrote: 果D吸乜吸物石,我都買過,幾年前甖吸po4仲係度,開都未開過,吸no3仲有半樽,我覺得無乜用。 硫磺珠最有效,但最貴,除非自製;黑白波OK,自製都好平,係白波較貴,桶可用大水管,黑波可買二手;氣喉係利用喉內缺氧區黎繁殖厭氧菌,分解no3,但係無那用,滴滴仔出黎,火滾(我用緊)。 魚可以頂得no3,唔太高就得,我都有12.X,魚仔無事,仲好生猛,定期換水,減少餵食都係必需既。
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