pong21 wrote: no2高<----加活性碳頂住先,可能係你起左底沙,沙入面d箘香晒,而沙樽入面d箘未養好所致.... ph=7.8<-----加ph buffer,少d喂食,打氣,以提高水中含氧量,隱定ph 灰仙就出水印<-----水質因起左底沙而暫時變差,每日換5%水,隱定水質 你起左底沙,小心有白點,買定支白點藥係屋企看門口,如果新年有白點都唔洗怕
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