JT Baker DUAL-TINT® pH Test Paper Dispenser Rolls

JT Baker DUAL-TINT® pH paper dispenser rolls are available in a variety of both short pH range and wide pH ranges. pH paper dispenser rolls are refillable and complete with a color scale for easy-to-read and precise pH indication. Two different indicator zones on one strip separated by a white center division guarantees clear color gradations and reliable pH values.