According to data from the market research firm Statista, the probability of quartz countertops showing signs of corrosion within six months after using acidic cleaners is as high as 35%. Clorox’s multi-purpose cleaner contains 9% hydrochloric acid. Household users reported that the gloss of their quartz countertops decreased by 40%, and the cleaning frequency increased by 20%. A housewife named Lisa had to spend $2,000 to replace her damaged quartz countertop after cleaning it with acidic cleaners.