(a) Sayyiduna Abu Hurayrah (may Allah be pleased with him) said that the Messenger of Allah (peace and blessings be upon him) said: "No one should perform the ritual bath for janabah in standing water." People said: "O Abu Hurayrah, then how should he do it?" He (may Allah be pleased with him) said: "He should take that water out separately into some vessel."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 1127