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Shiavault - a Vault of Shia Islamic Books Islamic Laws of Ayatullah Khui Taharat Pure and Mixed Water 15. Water is either pure or mixed. Mixed water (Mā ul muzaf) means the water which is obtained from something (e.g. from a melon or a rose), or that water in which something else is mixed for example, so much dust is mixed in it that it may no longer be called water).
Mixed water does not purify anything and it is also not valid to take ceremonial bath (Ghusl) or to perform ablutions (Wudhu’) with it. Any water other than mixed water is called pure water (Maul mutlaq) and there are five kinds of it: (i) Kurr Water, (ii) Under-Kurr Water, (iii) Running Water, (iv) Rain Water, (v) Water of a Well. Kurr Water 16. Water, which fills a container whose length, breadth and depth are three spans each is equal to a Kurr; it is about 884 liters. 17.
If original Impurity like urine, or blood or anything which has become impure (Najis) (e.g. an impure cloth) falls in Kurr Water and the water acquires the smell, color or taste of that impurity it becomes impure, but if it does not acquire the smell, color or taste of the impurity it does not become impure. 18. If the smell, color or taste of Kurr water changes owing to something which is not intrinsically impure, it does not become impure. 19. If an original impurity like blood etc.
reach water which is more than a Kurr and changes the smell, color or taste of a part of it, and the remaining part of water the smell etc. of which has not changed is less than a Kurr, the entire water becomes impure, and if it (i.e. the remaining part) is one Kurr or more than that, only that part will become impure the smell, color or taste of which has changed. 20.
If the water of a spring which gushes out in torrents, joins a water which is equal to a Kurr, the water of the spring purifies the impure water. However, if it falls on the impure water in the shape of drops it does not purify it except that something is placed before the spring so that before its water is divided into drops it may join the impure water, and it will be better if the water of the spring is totally mixed with the impure water. 21.
Suppose an impure thing is washed under a tap which is connected with pure water equal to a Kurr, and if the water which drops from that thing joins the water which is equal to a Kurr and does not contain the smell, color or taste of the impurity, and original impurity is also not in it, that water will be pure. 22.