Yahya narrated that 'Abdullah bin Abi Qatadah said to him from his father, that: The Prophet [SAW] forbade mixing Az-Zahuw and dried dates, and mixing Al-Busr and dried dates, and he said: "Soak each one of them on its own in vessels that are tied shut"
Sahih IsnaadSahih IsnaadIsnaad SahihBook 51 · Hadith 29