Features: Easily determine the acidity and alkalinity of liquids with our test paper! Measure values from 1 to 14 accurately, making it perfect for water quality testing, cosmetic formulation adjustments, and more. Crafted from durable paper, our test paper provides precise readings with its 14 color cards. A reliable tool for various applications, such as testing water quality and checking the level of different substances. Suitable for a wide of users, including laboratory workers, individuals, and households. Our test paper is versatile and can be used in different scenarios, such as monitoring water quality or testing the level of household items. From scientific experiments to everyday use, our test paper is an essential tool. Test the level of drinking water, measure the acidity of cleaning solution, or ensure the proper balance of gardening soil. A must have for anyone who needs accurate measurements. Take control of your testing with confidence! Our test paper delivers accurate results, allowing you to make informed decisions. Whether you're a professional or a hobbyist, our test paper will help you achieve accurate and reliable measurements. Specifications: Material: Paper Package Size: Approx. 70x45mm/2.76x1.77in Package Includes: 1 Pack Test Strips(80 Strips) note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.