Made of high-quality material, the pH test strips provide quick and precise results in seconds. The smaller the number, the stronger the acidity, the larger the number, the stronger the alkalinity. Different from other similar products, our test paper has full pH range, measures pH values in the range of 0 to 14, allowing for comprehensive testing. Lightweight and portable, our pH test paper can be easily carried in your backpack or pocket. The pH test paper is easy to read and operate, making it suitable for home, school, outdoor activities, and even as a gift. Universal pH test papers can be used for various purposes such as teaching, laboratory experiments, fish tanks, hydroponics, aquariums, industrial testing, and agricultural testing. Description: Introducing our pH test paper, a versatile and essential tool for various applications. Whether you're a teacher, scientist, or simply a curious individual, this pH test paper is perfect for schools, laboratories, fish tanks, hydroponics, aquariums, industrial testing, agricultural testing, and more. Crafted from high-quality paper, our pH test paper ensures fast and accurate results in just seconds. With a full pH range of 0 to 14, it covers all possible measurements, making it easier to protect your health and that of your family. The pH color chart intervals are clearly marked from 0 to 14 for easy reading and interpretation. Using our pH test paper is incredibly simple. Just take off a small strip, touch it to the liquid you want to test, and wait a few seconds. Then compare the resulting color with the standard color chart on the included cardboard. If there's no immediate reaction, you can leave the strip in the liquid for a longer duration. The smaller the number, the stronger the acidity, the larger the number, the stronger the alkalinity. This pH test paper is not only practical but also convenient to use. It's suitable for various settings such as homes, living rooms, bedrooms, dormitories, schools, outdoor activities, and even travel. It also makes an excellent gift for science enthusiasts or anyone interested in monitoring pH levels. Item Name: PH Test Paper Material: Plastic, Paper Features: Accurate Measuring, Portable, Easy to Read Size Details: Length: 500cm/196.85" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x PH Test Papers