Type:pH Test Strips 1. Material: recycled pulp 2. Number of floors: 1 floor 3. Test range: pH 1-14 4. Dimensions: 65 x 45 x 5 mm 5. Weight: 5g 6. Fast and easy to use 7. Provide reliable and accurate pH readings 8. Application: suitable for alkali or acid content test of any liquid 9. Has a unique color PH scale for comparison of results 10. The color change of the test paper must match the pH scale color table within about 15 seconds
