Neutral Litmus Paper pH 5.0 - 8.5
| Neutral litmus paper. The vial contains 100 strips @ 3 mm x 45 mm Neutral litmus will respond to pH ranges between 5.0 - 8.5 Used to test for acid or base. Color change pH 5.0 (red) to pH 6.8 (blue-violet) to 8.5 (blue) |
