Sewer smell in the bathroom, here’s how to get rid of the bad smell

Don’t forget about salt, which absorbs all the moisture and immediately eliminates the smell. In this case, one spoon is enough in the pipes overnight, then pour a bucket of boiling water into it the next morning;

Citric acid is ideal for removing limescale and grease, with half a spoonful down the drain to leave overnight. The next morning, a bucket of boiling water and the results are immediate.