pH test paper roll type pH: 1-14 JT4650 1 piece

Set the color scale (discoloration chart) in the plastic dispenser, and when in use, rotate one side of the dispenser to expose the tip of the test paper, allowing you to take out only the length you need. Measurement range: 1.0 to 14.0 Measurement scale: 1.0-2.0-3.0-4.0-5.0-6.0 -7.0-8.0-9.0-10.0-12.0-14.0 7mm width x 5m roll 1 roll included