Sometimes I cannot find any water [to do wudhoo with], nor sand [or soil to do tayammum with], so what should I do when I want to pray?
Using soap instead of soil or sand when purifying from dog’s saliva
Can soap be used as a substitute for soil [or sand] when purifying from the impurity of the dog[‘s saliva]?
The manner of doing tayammum
What is the manner of [doing] tayammum?