Is pH 4 safe to drink? Here's what you need to know about acidic water
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4 min read
According to the U.S. Environmental Protection Agency (EPA), the recommended pH range for drinking water is between 6.5 and 8.5. This authoritative guideline suggests that water with a pH of 4, which is significantly more acidic, falls outside the optimal range and warrants closer examination to determine if pH 4 is safe to drink.