丹房須知
丹井五

丹井五

丹井五

叅同録曰:雖得丹地,便尋丹井。井是煉丹之要也。晝夜添換,水火添換,滴漏唯在於井。古神仙上昇之後,盡有丹井,以表井爲煉丹之急也。丹井成,勿令穢汙,待水脉伏定,須滌去滯滓,然後任露天,月照,水旣定,土色巳收,方可取之。若得石脚泉清白味甘者,是陽脉之水,運丹最靈。若青泥黑壤,黄泉赤脉,鐵澁腥味,有此之象,並是水脚交雜,隂陽積滯,不任煉丹。火龍經曰:須新水。葛仙翁云;須取泉以備用,不得雜汲使用。若近山有泉清淨之水,不須甘水,仍不可雜人用。

End of chapter

Text and scans: Shidian Guji (Peking University – ByteDance open ancient texts). Edition details are given per book. Shidian Guji

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