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Students can test solutions for acid or base determination
Easy-to-use red litmus paper turns blue for bases and blue litmus turns red for acids
100 strips of each
Not for measuring the pH of natural waters, such as streams, rivers and lakes
To measure pH in these waters, try our Water Chemistry Test Strip, pH 6-9, item 652729 or, for a wider pH range, our LaMotte Water test kit, item 652927, pH 3.0-10.5.
Acid and base indicator strips. 100 strips of each. Students can test solutions for acid or base determination. Red litmus paper turns blue for bases and blue litmus turns red for acids. Not for measuring the pH of natural waters, such as streams, rivers, and lakes.