The scholars classified water with regard to its purity into three categories: 1. Water which is free from any restrictions: which is the water whose colour, taste and smell did not change with any outside effect. read more
The ruling on this water is that it is pure in itself and it is a purifier, like rain water, snow water, hail, dew, sea water, springs, and Zam-zam water. And the water which is changed by what exists in it, or because of its long stay, or remaining still, or by what is emanated from it. read more
If ink is dripped into water and if it does not change the color of water, one can make wudu' with it. If the liquid that is mixed into water changes any of the three qualities of water, namely, color, smell, and taste, this water cannot be used for wudu' or ghusl. read more