pH Test Strips 2-10 with Color Chart, 100-Vial

These pH test strips measure pH levels at 2, 4, 6, 8, and 10 for quick broad-range acidity and alkalinity checks. Supplied in a resealable storage vial containing 100 single-use test strips with a built-in printed color reference chart. Accuracy is approximately ±1.0 pH unit. To use, dip the strip in aqueous solution for 1-2 seconds and immediately compare to the color chart. Suitable for educational demonstrations, quick field testing, and simple in-lab screening in classrooms and laboratories.