I have a fiberglass pool that came with our house. It is probably 25 years old. Just this spring I noticed weird shading on the walls of the pool. It almost looks like water behind the fiberglass. Is that possible? If so, is there a fix?
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I have a fiberglass pool that came with our house. It is probably 25 years old. Just this spring I noticed weird shading on the walls of the pool. It almost looks like water behind the fiberglass. Is that possible? If so, is there a fix?