This is supported by the earlier report from Ali ibn Abi Hamzah, in which he said: I asked him about the urine of a weaned child, and Imam عليه السلام said: "One bucket." Then the Shaykh (Al-Mufid), may Allah سبحانه وتعالى support him, said: "If dry feces fall into it, which do not dissolve or break apart, ten buckets must be drawn. But if it is moist, dissolves, or breaks apart in it, fifty buckets must be drawn. If a person in a state of major ritual impurity (junub) immerses himself in it, it must be purified by drawing seven buckets." This supports the ruling.