Purification from the Najas-Filth

Among what is considered najas-filthy are urine, feces, blood, puss, vomit, alcohol, and the maytah[2], including its bones and hair. The corpse of a dead human is not najas-filthy.

 The najas-filth is divided into two types: detectable (^ayniyyah) and undetectable (hukmiyyah).

 Detectable (^Ayniyyah) Najas-filth: This is the najas-filth the entity, color, taste, or smell of which is detectable, such as a drop of blood on clothing. This najas-filthy area can be purified by pouring water on it, which is pure and purifying, until the entity and properties of the najas-filth are removed.