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There is probably no better allegory of the of Trump administration than this. A filthy reflecting pool reflecting the incompetence, mismanagement and corruption of a failed presidency.

There will be a 1:1 match to where they directly poured in hydrogen peroxide to where paint is peeling. Pool owners know that you add chemicals to the deep end of the pool & spread out the application. They dumped gallons into the shallow water at single locations. That coating integrity is toast.

😮 Now it seems there’s a story spinning about how the appearance of algae is a natural process as the pipes feeding the pool get flushed out. ‘It will clear up soon.’ Did anyone else see that story? Can’t find it now.

Hey! It's Trump's pool guy! He knows his stuff! Otherwise the project would have had a proper request for proposal and a thorough study of materials and methods as well as an evaluation of the water conditioning system. You make sound like it was some slap-dash project to satisfy a fragile ego!

Highly unlikely the hydrogen peroxide caused the delamination of the paint. Most likely it was an inadequate paint preparation. I was a paint materials engineer for vehicles, so I hate to say without seeing the materials and I am not familiar with pools as such. But, if I was guessing...

they used Rhino Linings Pipeliner 5000 - which seems to require the the concrete to have a low water content - I had my commercial concrete floors done a few years back - if the moist content is too high you need to apply a moisture-vapor-barrier epoxy primer. Did they prime the concrete?