WooAwesome 20 Packs Litmus pH Test Strips, Universal Application pH 1-14 Test Paper, 1600 pH Strips in Total
- pH Color Chart Intervals: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14.
- Size of One pH Test Strip: 45mm x 7mm (L x W) or 1.8" x 0.3" (L x W).
- Only applicable to routine testing and teaching experiments..