It was narrated that Anas bin Malik said: “The Messenger of Allah صلی اللہ علیہ وآلہ وسلم forbade us to soak two things together when one is more potent than the other. I asked him about FadIkh (a drink made from fresh dates cut open) and he forbade it. He disliked the extra bit on Al-Burr, fearing that that might make it two things, so we used to cut it off.”(Sahih)