Coarse salt toilet cleaning hack trends on social media

A viral cleaning trend involving the use of coarse salt in toilets has gained popularity on social media as a natural alternative to chemical cleaners. The method typically involves adding salt to the toilet bowl overnight to allow it to sit in stagnant water.

Technically, the coarse salt acts as a mild abrasive that helps a toilet brush dislodge biofilm—a slippery layer of microorganisms and organic residue that causes odors. The salt also helps dry out certain areas where bacteria proliferate and can assist in softening organic deposits.

However, experts note the limitations of this method: while effective for odor control and biofilm management, salt is not a substitute for descaling agents and cannot dissolve heavy limescale or clear significant plumbing blockages. For enhanced results, some suggest combining the salt with baking soda and warm water.