ITEM NAME:Portable 5m 0-14 PH Alkaline Acid Indicator Paper Water Urine Saliva Litmus T BX Specification: Brand new Total length: approx. 5m PH range: 1-14 Quick and easy to use. Easy to carry. Appropriate for testing alkaline or acid level of any liquid. Great product to have in every lab and at home to measure and inspect water quality, urine, saliva, soil, alkaline diet, aquariums etc. Great for science education. Package included: 1 x PH Test Paper Note: Please allow 1-10cm errors due to manual measurement..Appropriate for testing alkaline or acid level of any liquid. PH range: 1-14. 1 x PH Test Paper. Quick and easy to use. Great for science education.