Purity: Purification of Absorbent Ground with Qalīl Water

Practical Laws of Islam as per the teachings of Ayatullah Sistani

Ruling 173

If ground that absorbs water – such as ground on which there is sand or pebbles – becomes impure, it can be purified with qalīl water.

-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)