Description <br> 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 at home 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:approx. 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 30 seconds. <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. <br>