Citric acid is safe to use on plastic or metal, which are common materials to find inside a dishwasher ... When you nix the alkaline with the acid, it creates a neutralization reaction that allows you ...

Webber advises, 'Pour the vinegar onto the baking soda-covered rust ... To remove rust from stainless steel, remove rust from metal garden furniture, and clean rust from bathtubs, let WD-40 sit for ...