Cresol Red (full name: o-Cresolsulfonephthalein) is a triarylmethane dye frequently used for monitoring the pH in aquaria.
Read more about Cresol Red: PH Indicator, Molecular Biology, Color Marker
Famous quotes containing the word red:
“He is said to have been the last Red Man
In Acton. And the Miller is said to have laughed
If you like to call such a sound a laugh.”
—Robert Frost (1874–1963)