No bid contract to a friend of Trump's in the hotel pool industry. The idea stemmed from Trump seeing the park service scrape algae off the top because of ongoing filtration issues. That's it. He just wants to hide the algae. It's so dumb, and as far as I understand it, pool paint is nearly impossible to remove.
Hey did you know that darker colors reflect less sunlight? They turn a substantial portion of light into heat; I wonder if that will affect the algae. I also wonder how he ever thought something on the bottom of the pool was supposed to hide the surface. That's not how occlusion works.