What brown or rusty water usually means and how to avoid staining surfaces.
Why the water changes colour
Brown, orange or rusty water is often caused by iron or manganese, especially after filling from a well or after oxidation by chlorine.
First response
Do not keep adding random chemicals. Check pH, keep filtration running and use a metal-control product suitable for pools. Clean the filter frequently.
Prevent stains
Act before metals settle on liners, steps or surfaces. If stains are already visible, ask a service company for a metal and stain treatment plan.
Original Czech source: Hnědá nebo rezavá voda v bazénu: nejčastěji za to může železo
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