It's vinegar. One of the most common kitchen ingredients for tackling rust stains, vinegar contains acetic acid. With a pH of 2.5, the acetic acid content in distilled white vinegar makes it a mild ...
Here are some of the many, many uses for vinegar far beyond cleaning. “Spraying diluted vinegar on houseplants for mold (White Spots) and powdery mildew works excellently. It's also much safer than ...