The scholars of Sharia law differed about it in three schools of thought. Some say that it is not permissible to purify it with it, some say it is permissible to purify it with it, and with it I say, and some say it is disliked to purify it with it, and it is not permissible to perform tayammum in its presence, and a fourth opinion is deviant, which is that it is impure. < /p