ADVERTISEMENT
Introduction
Saltpeter (white, powdery mineral deposits) and mildew (black or green mold) are common wall issues caused by moisture. They not only look unpleasant but can also damage surfaces and impact indoor air quality. Luckily, you can remove them effectively without harsh chemicals.
What You Need
White vinegar
Baking soda
Water
Scrub brush or sponge
Spray bottle
Protective gloves and mask
Optional: hydrogen peroxide (for tough mildew)
How to Remove Saltpeter
Dry the Area:
ADVERTISEMENT