Can Pool Chemistry Cause Extreme Chalking of Fiberglass Pool

Causes and cures for cloudy swimming pool water.
Milky pool water, white, pink, brown, purple, black cloudy water.
etbrown4
Pool Newbie
Pool Newbie
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Joined: Fri 24 Feb, 2012 01:20
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Can Pool Chemistry Cause Extreme Chalking of Fiberglass Pool

Postby etbrown4 » Wed 16 Apr, 2014 18:03

'm working on 2, that right 2 identical fiberglass 15,000 gal inground pools, with extreme chalking problems so bad that they both plug their respective sand filters within 4-6 hours.

Both were clear upon opening last week, but have begun encountering extreme chalking of the gel coats in both.

The pools were fine last season. they are 10 yrs old.

Has anyone experienced this, and if so did you find something in the chemistry that caused it?

Tips appreciated!


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