JAMI AL-TIRMIDHI

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Sayyidina Ibn Umar (RA) narrated that the Prophet (SAW) was asked about water in the
desert lands at which birds and wild beasts come frequently. He said, "If the water is as
much as will fill two pitchers then it bears no impurity."

[Ahmed4605, 4803, Abu Dawud 63, 65, Nisai 52]