30-Pack Universal Indicator pH Color Chart Cards

This pack of 30 universal indicator pH color chart cards from Innovating Science provides a compact visual reference for pH determination. Each card measures 2.75 x 3.25 inches and displays color changes corresponding to pH values from 3 to 10, enabling quick comparison when used alongside universal indicator solutions. The cards are designed for use with Innovating Science Universal Indicator Solutions and are sized for individual student use in classrooms and laboratories. They provide a convenient, portable reference for interpreting pH test results during chemistry and biology experiments.