✦ Verified product
Litmus
USD 9.10
Size
New York Pigment Co.
Verified independent store
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Litmus is a blue-violet dye that changes color depending on the pH. At alkaline pH (> 7) litmus is blue, at acidic pH (< 7) the color is red.
![Litmus / O.S.T. - Litmus [LP]](https://cdn.shopify.com/s/files/1/2723/2340/files/2933131.jpg?v=1773725690&width=480)
