> Salty or chlorinated water (and public pools usually use heavily chlorinated water) will dissolve almost anything over time Metals, in particular. This is wh

> Salty or chlorinated water (and public pools usually use heavily chlorinated water) will dissolve almost anything over time Metals, in particular. This is why in marine environments, special grades of stainless are used. Most commonly SAE 316 alloy (often marked with "A4", vs "A2" for regular stainless). Another approach is the use of sacrificial anodes. Where practical, it helps to rinse equipment with fresh water after use.