100pcs SPA Swimming Pool Aged 0-14 Indicator Paper Water Sampler Alkali Acid PH Testing Strips for Water Quality Analysis TestingFeature: Quick and easy to use, easy to carry. It is suitable for testing the alkaline or acidic level of any liquid. Ideal for science education. Measure and check water quality, urine, saliva, soil, alkaline diet, aquarium, etc. Specification:Name: 100 Pool pH Strips Four Color Test StripsMaterial: PaperpH Range: 0-14Box Size: 8*5.5*1cm, Indicator Paper Length 7cmNote:Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement.100 * Litmus Test Pool