How to Make Dry Ablution (Tayammum) It is permitted to perform the dry ablution (tayammum) with a valid excuse– such as being roughly one mile or so away from any water.
Bleeding Gums and Wudu Your ablution (wudu) would be nullified if redness preponderated in your saliva. The sign of which is if you were to spit, the redness of the blood would predominate over your saliva. [Shurunbulali, Maraqi al-Falah]
Pain which accompanies the exiting of water from the eyes is not the actual determinant in nullification of wudu. Rather, as the scholars clarify, the nullification of wudu is determined by the water exiting because of an illness or disease, and pain is generally an indication of that. [Ibn Abidin,