This is a new installation. The darker areas are turning yellow. Makes me think iron. What can be done? Tests for iron?

Thanks in advance

Stuart

Santa Fe loor Care

Begin forwarded message:

From: Stuart Young <santafefc@sbcglobal.net>
Date: October 6, 2015 at 1:59:19 PM CDT
To: santafefc@sbcglobal.net

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