I don't think bromine causes yellow stains, nor does calcium. Beyond that, I don't know.
I don't think bromine causes yellow stains, nor does calcium. Beyond that, I don't know.
If you could post a full set of test results it would be helpful.
Last edited by PoolDoc; 06-05-2012 at 11:37 PM. Reason: fix typo
Retired pool store and commercial pool maintenance guy.
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