Use in Swimming Pool Test Kits
Phenol red, sometimes labelled with a different name, such as "Guardex Solution #2", is used as a pH indicator in home swimming pool test kits.
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Famous quotes containing the words swimming, pool and/or test:
“Loosed betwixt eye and lid, the swimming beams
Of memory, blind school of cuttlefish,
Rise to the air, plunge to the cold streams....”
—Allen Tate (1899–1979)
“I caught a blackjack right behind my ear. A black pool opened up at my feet. I dived in. It had no bottom. I felt pretty good—like an amputated leg.”
—John Paxton (1911–1985)
“In my utter impotence to test the authenticity of the report of my senses, to know whether the impressions they make on me correspond with outlying objects, what difference does it make, whether Orion is up there in heaven, or some god paints the image in the firmament of the soul?”
—Ralph Waldo Emerson (1803–1882)