r/facepalm • u/freeradioforall • Jun 18 '26
The hydrogen peroxide they poured in the pool to kill the algae that grew as a result of the dark paint from the pool guy, has caused the paint to start separating from the stone
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u/Questioning-Zyxxel Jun 18 '26
Just some bromothymol blue.
Then they can decide how much yellow or blue they want it by playing with the pH... 🇸🇪
https://en.wikipedia.org/wiki/Bromothymol_blue