Can be used for the rapid determination of pH values and has led to many applications in laboratories and industry. Available as standard or three colour ranges as rolls in a handy dispenser.

• Instant pH readings
• Accurate for a wide range of routine pH testing
• Inexpensive
• Convenient and portable for field use

Three colors roll: The paper has three separate indicator dye colour bands. The individual combination of colour change resulting from each test is compared with the colour-coded comparison chart printed on the dispenser, giving improved speed and accuracy in reading.

The strip has three separate indicator dye colour bands. The individual combination of colour change resulting from each test is compared with the colour-coded comparison chart printed on the dispenser, giving improved speed and accuracy in reading.

A full range and some narrow ranges in this popular pH indicator dispenser.