Can pool water stain your teeth?
The optimum pH of the pool water is between 7.2 to 7.6 (nautral pH). Substances can be dissolved in the acidic environment and they become solid again in alkaline environment. In the pool water calcium and other minerals rather strengthen enamel, than dissolve it. High pH of pool water in combination with antimicrobial substances can form hard yellow or brown coating mainly on front teeth. This often occurs in professional swimmers who train in the pool for several hours per week. Such coverings can be removed by a dentist. Their formation can be repeated, so regular dental visits are recommended. Read more