With distinct color PH scale for result comparisons.<br>The test strip color changes must be matched with the pH scale color chart within about 15 seconds.<br>Quick and easy to use.<br>Provides reliable and accurate pH readings.<br>Easy to carry.<br><br>Appropriate for testing alkaline or acid level of any liquid.<br>Great product to have in every lab and to measure and inspect water quality, urine, saliva, soil, alkaline diet, aquariums etc.<br>Scale Reads From 0 to 14:<br>0 - 3 indicates a very acidic substance<br>4 - 6 indicates an acidic substance<br>7 indicates neutral<br>8 - 11 indicates alkalinity<br>12 - 14 indicates a very high level of alkalinity<br>Total length:. 500x1.3mm<br>PH range: 0-14<br>Usage:<br>Take out a test paper.<br>The 2 color blocks all immersed in the liquid.<br>After 1 seconds to take out, in contrast to the color of the color reading value in .<br>Note:Due to different production batches, there are differences in printing/appearance, which does not affect use.<br>Colour:As Shown<br>Material:Plastic<br><br>Package Contents:<br>1 * PH Meter<br><br>Only the above package content, other products are not included.<br>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.