Anyone know what these spots are

joshuaj1975

Well-known member
Jun 10, 2022
91
Mesa Az
Pool Size
25000
Surface
Plaster
Chlorine
Liquid Chlorine
They’ve been here since I’ve lived in this house for 6 years.

It is a pebble tec pool.
They’ve never gotten worse or better(did acid wash 2 months ago)
 

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If they're about 3" in width closest to the wall, they may be stains from trichlor tablets. If allowed to sit on the surface, the acidic mixture slowly works it's way down slope as they dissolve, leaving a comet-like tail. If so, you'll have to live with them.
 
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If they're about 3" in width closest to the wall, they may be stains from trichlor tablets. If allowed to sit on the surface, the acidic mixture slowly works it's way down slope as they dissolve, leaving a comet-like tail. If so, you'll have to live with them.
Yep! Thanks. They’re all 3” round and streak towards the deepest.
 
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