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White Stains, Probably Mortar/grout From Coping - How To Clean?

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#1 readyami



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Posted 19 December 2008 - 07:18 PM

I had a fiberglass pool installed about a month ago. There are white stains between the coping to the waterline (probably mortar or grout from the brick coping). It looks like maybe grout/mortar has dripped/leeched down with all the recent rains. At "pool school" 2 wks ago, the PB said they would clean it off, but they never did. How should I clean this? It feels slightly rough but doesn't just wash off with pool water. What is safe to use to remove these stains? I have a SWCG. The pool is not winterized.

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