back to my staining problem. I have had the water checked for metals and have tried different removers. I don’t add water very often. When I open my pool for the season its fine for the first few days, then the staining starts and its a problem all season long.

Question:

back to my staining problem. I have had the water checked for metals and have tried different removers. I don’t add water very often. When I open my pool for the season its fine for the first few days, then the staining starts and its a problem all season long.

Answer:

Does the 1st staining happen to coincide with the addition of sanitizer (chlorine), say within 24 hours? If so, it could be starting the staining. That could also indicate a problem with a metal that is not tested by the pool stores such as magnesium or silver.

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