PH Test Strips, 2 Rolls of Test Strips, Swimming Pool pH Test Strips Indicator pH Measurement Full Range 0-14 The pH paper has a full range of pH which can measure the pH value between 0 and 14. It is easy to read and meets various testing needs. Made of high-quality litmus paper, the pH tester is sensitive and provides reliable, accurate pH results with clear color matching. To use: Take out a small pH strip, dip it into the liquid for a few seconds, then compare the result with the color chart on the container. Lightweight and compact coil design makes it easy to use and carry. Each roll is 5m long, totaling 32.8 feet (2 rolls). Ideal for science education, aquarium water quality, hydroponics, industrial testing, agricultural testing, and more. pH < 7 is acidic, pH = 7 is neutral, pH > 7 is alkaline. The lower the number, the stronger the acid; the higher the number, the stronger the alkalinity. Water quality test: Slightly alkaline drinking water is considered favorable for health (pH 6.57). Cosmetic test: Low-acid cosmetics are generally more suitable for skin (pH 56.5). Laundry detergent detection: Weakly alkaline detergents may reduce hand irritation (pH 78). Body test: Urinary and salivary pH levels can provide general health insights (urinary pH 5.07.5, salivary pH 6.67.5). Food analysis: Monitoring food pH may help maintain body acid-base balance. Amniotic fluid test: Can be used to check for amniotic fluid leakage during pregnancy (pH 7.07.5). Urine dipsticks and pH paper made of high-quality litmus paper with a detection range of 014 provide accurate and reliable results. Simply take a short section of the pH strip to get results within seconds. This universal test strip is suitable for everyday pH testing. Instructions: Step 1: Remove a test strip from the container. Step 2: Dip the strip in water for 2 seconds. Step 3: Remove and compare the strip to the color chart on the container for results. Reliable for accurate pH measurements with a full range of 014. Suitable for testing acidity or alkalinity of various liquids. Ideal for testing saliva, drinking water, aquariums, hydroponics, food, soil, detergents, soap, and more. Universal pH paper is great for science education, home, lab, or school use to measure water quality, urine, saliva, soil, diet monitoring, aquariums, and other applications. Suitable for pH testing at home, in laboratories, or in schools. Note: Measurements are manually taken; slight variations may occur due to lighting and screen display differences. Color may vary slightly from images shown. Actual product takes precedence.