🔍 Test with Confidence: Your pH Partner Awaits! Match colors in just 15 seconds. Perfect for liquids from vinegar to sweat. 10 books with 20 strips each for endless testing. Feel good about your testing with eco-friendly materials. Achieve high accuracy with every test. Eco-friendly design pH range 2-10.5 15 sec color match The INDIKROM PAPERS AANIJ Fisher Scientific 20105 Indicator Papers offer a comprehensive pH testing solution with a range of 2.0 to 10.5. Each pack contains 10 books, each with 20 high-accuracy strips, designed for quick and reliable results across various liquids. Eco-friendly and easy to use, these strips are perfect for both professional and personal applications.