Universal pH Indicator Strips, Range 5-10, Pack of 100

Sensitivity: 0.5. Simple, Fast, Portable, Reliable; Consistent, accurate reliability; Convenient to use outside the lab; Results within seconds! Effective in weakly buffered, colored, or turbid solutions, as well as in mud or sludge ColorpHast products include a bright, easy-to-read color chart. Covalently bound indicators do not bleed from uneven color zones or fade under intense light. Each package contains 100 strips. Range 5-10.

• When you shop with Carolina, you're not alone! All of our products are backed by unparalleled technical support, available from 8:00am to 6:00pm, ET, Monday through Friday. Live chat is available from 8am to 5:30pm ET, Monday-Friday. Contact information (Live Chat, email, and phone) is provided after placing your order at Amazon.
• From our beginnings in 1927, Carolina Biological Supply Company has grown to become a leading supplier of science teaching materials for all levels of education. Today, from our headquarters in Burlington, North Carolina, we serve customers worldwide, including teachers, professors, homeschool educators, hobbyists, and professionals in health and science-related fields.