50' pH Roll

• This pH roll accurately measures weakly buffered or dark, turbid solutions
• To start using this roll, simply tear off a small strip of pH paper, dip it into the test solution, then compare the resulting color instantly with the included pH colour chart
• Dispenses like tape
• Reusable hard plastic case
• Ideal for field use

Specifications:
Test Type: Roll
PH Range: 0 - 13
Paper Width: 0.5"